Finding the Third Proportional to 72,610 and 156,344

Step by Step Solution

1. Step 1: Write the proportion equation
   72,610 : 156,344 = 156,344 : x
2. Step 2: Convert to fraction form
   72,610/156,344 = 156,344/x
3. Step 3: Cross multiply
   72,610x = 156,344 × 156,344
4. Step 4: Simplify right side
   72,610x = 24,443,446,336
5. Step 5: Solve for x
   x = 24,443,446,336/72,610
6. Step 6: Final answer
   x = 336,640.22