Finding the Third Proportional to 156,124.50 and 323,325

Step by Step Solution

1. Step 1: Write the proportion equation
   156,124.50 : 323,325 = 323,325 : x
2. Step 2: Convert to fraction form
   156,124.50/323,325 = 323,325/x
3. Step 3: Cross multiply
   156,124.50x = 323,325 × 323,325
4. Step 4: Simplify right side
   156,124.50x = 104,539,055,625
5. Step 5: Solve for x
   x = 104,539,055,625/156,124.50
6. Step 6: Final answer
   x = 669,587.77