Finding the Third Proportional to 384,737.50 and 834,680

Step by Step Solution

1. Step 1: Write the proportion equation
   384,737.50 : 834,680 = 834,680 : x
2. Step 2: Convert to fraction form
   384,737.50/834,680 = 834,680/x
3. Step 3: Cross multiply
   384,737.50x = 834,680 × 834,680
4. Step 4: Simplify right side
   384,737.50x = 696,690,702,400
5. Step 5: Solve for x
   x = 696,690,702,400/384,737.50
6. Step 6: Final answer
   x = 1,810,820.89