Finding the Third Proportional to 156,019.50 and 342,549

Step by Step Solution

1. Step 1: Write the proportion equation
   156,019.50 : 342,549 = 342,549 : x
2. Step 2: Convert to fraction form
   156,019.50/342,549 = 342,549/x
3. Step 3: Cross multiply
   156,019.50x = 342,549 × 342,549
4. Step 4: Simplify right side
   156,019.50x = 117,339,817,401
5. Step 5: Solve for x
   x = 117,339,817,401/156,019.50
6. Step 6: Final answer
   x = 752,084.31