Finding the Third Proportional to 7,836,155.50 and 12,108,851.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,836,155.50 : 12,108,851.50 = 12,108,851.50 : x
2. Step 2: Convert to fraction form
   7,836,155.50/12,108,851.50 = 12,108,851.50/x
3. Step 3: Cross multiply
   7,836,155.50x = 12,108,851.50 × 12,108,851.50
4. Step 4: Simplify right side
   7,836,155.50x = 146,624,284,649,052.25
5. Step 5: Solve for x
   x = 146,624,284,649,052.25/7,836,155.50
6. Step 6: Final answer
   x = 18,711,252.56