Finding the Third Proportional to 156,087.75 and 341,580

Step by Step Solution

1. Step 1: Write the proportion equation
   156,087.75 : 341,580 = 341,580 : x
2. Step 2: Convert to fraction form
   156,087.75/341,580 = 341,580/x
3. Step 3: Cross multiply
   156,087.75x = 341,580 × 341,580
4. Step 4: Simplify right side
   156,087.75x = 116,676,896,400
5. Step 5: Solve for x
   x = 116,676,896,400/156,087.75
6. Step 6: Final answer
   x = 747,508.35