Finding the Third Proportional to 621,516 and 959,746.50

Step by Step Solution

1. Step 1: Write the proportion equation
   621,516 : 959,746.50 = 959,746.50 : x
2. Step 2: Convert to fraction form
   621,516/959,746.50 = 959,746.50/x
3. Step 3: Cross multiply
   621,516x = 959,746.50 × 959,746.50
4. Step 4: Simplify right side
   621,516x = 921,113,344,262.25
5. Step 5: Solve for x
   x = 921,113,344,262.25/621,516
6. Step 6: Final answer
   x = 1,482,042.85