Finding the Third Proportional to 6,387,313,129.50 and 13,978,731,319.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,387,313,129.50 : 13,978,731,319.50 = 13,978,731,319.50 : x
2. Step 2: Convert to fraction form
   6,387,313,129.50/13,978,731,319.50 = 13,978,731,319.50/x
3. Step 3: Cross multiply
   6,387,313,129.50x = 13,978,731,319.50 × 13,978,731,319.50
4. Step 4: Simplify right side
   6,387,313,129.50x = 195,404,929,302,770,221,056
5. Step 5: Solve for x
   x = 195,404,929,302,770,221,056/6,387,313,129.50
6. Step 6: Final answer
   x = 30,592,664,762.32