Finding the Third Proportional to 351,337.50 and 781,284

Step by Step Solution

1. Step 1: Write the proportion equation
   351,337.50 : 781,284 = 781,284 : x
2. Step 2: Convert to fraction form
   351,337.50/781,284 = 781,284/x
3. Step 3: Cross multiply
   351,337.50x = 781,284 × 781,284
4. Step 4: Simplify right side
   351,337.50x = 610,404,688,656
5. Step 5: Solve for x
   x = 610,404,688,656/351,337.50
6. Step 6: Final answer
   x = 1,737,374.14