Finding the Third Proportional to 677,633 and 903,387.50

Step by Step Solution

1. Step 1: Write the proportion equation
   677,633 : 903,387.50 = 903,387.50 : x
2. Step 2: Convert to fraction form
   677,633/903,387.50 = 903,387.50/x
3. Step 3: Cross multiply
   677,633x = 903,387.50 × 903,387.50
4. Step 4: Simplify right side
   677,633x = 816,108,975,156.25
5. Step 5: Solve for x
   x = 816,108,975,156.25/677,633
6. Step 6: Final answer
   x = 1,204,352.47