Finding the Third Proportional to 156,650 and 331,160

Step by Step Solution

1. Step 1: Write the proportion equation
   156,650 : 331,160 = 331,160 : x
2. Step 2: Convert to fraction form
   156,650/331,160 = 331,160/x
3. Step 3: Cross multiply
   156,650x = 331,160 × 331,160
4. Step 4: Simplify right side
   156,650x = 109,666,945,600
5. Step 5: Solve for x
   x = 109,666,945,600/156,650
6. Step 6: Final answer
   x = 700,076.26