Finding the Third Proportional to 488,311.50 and 746,541

Step by Step Solution

1. Step 1: Write the proportion equation
   488,311.50 : 746,541 = 746,541 : x
2. Step 2: Convert to fraction form
   488,311.50/746,541 = 746,541/x
3. Step 3: Cross multiply
   488,311.50x = 746,541 × 746,541
4. Step 4: Simplify right side
   488,311.50x = 557,323,464,681
5. Step 5: Solve for x
   x = 557,323,464,681/488,311.50
6. Step 6: Final answer
   x = 1,141,327.75