Finding the Third Proportional to 5,618,660 and 12,089,520

Step by Step Solution

1. Step 1: Write the proportion equation
   5,618,660 : 12,089,520 = 12,089,520 : x
2. Step 2: Convert to fraction form
   5,618,660/12,089,520 = 12,089,520/x
3. Step 3: Cross multiply
   5,618,660x = 12,089,520 × 12,089,520
4. Step 4: Simplify right side
   5,618,660x = 146,156,493,830,400
5. Step 5: Solve for x
   x = 146,156,493,830,400/5,618,660
6. Step 6: Final answer
   x = 26,012,695.88