Finding the Third Proportional to 156,060 and 331,560

Step by Step Solution

1. Step 1: Write the proportion equation
   156,060 : 331,560 = 331,560 : x
2. Step 2: Convert to fraction form
   156,060/331,560 = 331,560/x
3. Step 3: Cross multiply
   156,060x = 331,560 × 331,560
4. Step 4: Simplify right side
   156,060x = 109,932,033,600
5. Step 5: Solve for x
   x = 109,932,033,600/156,060
6. Step 6: Final answer
   x = 704,421.59