Finding the Third Proportional to 6,917,978,853,396 and 14,877,089,735,920

Step by Step Solution

1. Step 1: Write the proportion equation
   6,917,978,853,396 : 14,877,089,735,920 = 14,877,089,735,920 : x
2. Step 2: Convert to fraction form
   6,917,978,853,396/14,877,089,735,920 = 14,877,089,735,920/x
3. Step 3: Cross multiply
   6,917,978,853,396x = 14,877,089,735,920 × 14,877,089,735,920
4. Step 4: Simplify right side
   6,917,978,853,396x = 221,327,799,010,616,219,422,162,944
5. Step 5: Solve for x
   x = 221,327,799,010,616,219,422,162,944/6,917,978,853,396
6. Step 6: Final answer
   x = 31,993,130,320,421.20