Finding the Third Proportional to 156,364.50 and 341,400

Step by Step Solution

1. Step 1: Write the proportion equation
   156,364.50 : 341,400 = 341,400 : x
2. Step 2: Convert to fraction form
   156,364.50/341,400 = 341,400/x
3. Step 3: Cross multiply
   156,364.50x = 341,400 × 341,400
4. Step 4: Simplify right side
   156,364.50x = 116,553,960,000
5. Step 5: Solve for x
   x = 116,553,960,000/156,364.50
6. Step 6: Final answer
   x = 745,399.12