Finding the Third Proportional to 402,097.50 and 865,977

Step by Step Solution

1. Step 1: Write the proportion equation
   402,097.50 : 865,977 = 865,977 : x
2. Step 2: Convert to fraction form
   402,097.50/865,977 = 865,977/x
3. Step 3: Cross multiply
   402,097.50x = 865,977 × 865,977
4. Step 4: Simplify right side
   402,097.50x = 749,916,164,529
5. Step 5: Solve for x
   x = 749,916,164,529/402,097.50
6. Step 6: Final answer
   x = 1,865,010.76