Finding the Third Proportional to 414,287 and 907,649.50

Step by Step Solution

1. Step 1: Write the proportion equation
   414,287 : 907,649.50 = 907,649.50 : x
2. Step 2: Convert to fraction form
   414,287/907,649.50 = 907,649.50/x
3. Step 3: Cross multiply
   414,287x = 907,649.50 × 907,649.50
4. Step 4: Simplify right side
   414,287x = 823,827,614,850.25
5. Step 5: Solve for x
   x = 823,827,614,850.25/414,287
6. Step 6: Final answer
   x = 1,988,543.24