Finding the Third Proportional to 156,931.50 and 342,294

Step by Step Solution

1. Step 1: Write the proportion equation
   156,931.50 : 342,294 = 342,294 : x
2. Step 2: Convert to fraction form
   156,931.50/342,294 = 342,294/x
3. Step 3: Cross multiply
   156,931.50x = 342,294 × 342,294
4. Step 4: Simplify right side
   156,931.50x = 117,165,182,436
5. Step 5: Solve for x
   x = 117,165,182,436/156,931.50
6. Step 6: Final answer
   x = 746,600.79