Finding the Third Proportional to 402,327 and 837,715.50

Step by Step Solution

1. Step 1: Write the proportion equation
   402,327 : 837,715.50 = 837,715.50 : x
2. Step 2: Convert to fraction form
   402,327/837,715.50 = 837,715.50/x
3. Step 3: Cross multiply
   402,327x = 837,715.50 × 837,715.50
4. Step 4: Simplify right side
   402,327x = 701,767,258,940.25
5. Step 5: Solve for x
   x = 701,767,258,940.25/402,327
6. Step 6: Final answer
   x = 1,744,270.85