Finding the Third Proportional to 412,812 and 656,740.13

Step by Step Solution

1. Step 1: Write the proportion equation
   412,812 : 656,740.13 = 656,740.13 : x
2. Step 2: Convert to fraction form
   412,812/656,740.13 = 656,740.13/x
3. Step 3: Cross multiply
   412,812x = 656,740.13 × 656,740.13
4. Step 4: Simplify right side
   412,812x = 431,307,591,785.02
5. Step 5: Solve for x
   x = 431,307,591,785.02/412,812
6. Step 6: Final answer
   x = 1,044,803.91