Finding the Third Proportional to 488,610.50 and 747,447

Step by Step Solution

1. Step 1: Write the proportion equation
   488,610.50 : 747,447 = 747,447 : x
2. Step 2: Convert to fraction form
   488,610.50/747,447 = 747,447/x
3. Step 3: Cross multiply
   488,610.50x = 747,447 × 747,447
4. Step 4: Simplify right side
   488,610.50x = 558,677,017,809
5. Step 5: Solve for x
   x = 558,677,017,809/488,610.50
6. Step 6: Final answer
   x = 1,143,399.53