Finding the Third Proportional to 156,724 and 238,754

Step by Step Solution

1. Step 1: Write the proportion equation
   156,724 : 238,754 = 238,754 : x
2. Step 2: Convert to fraction form
   156,724/238,754 = 238,754/x
3. Step 3: Cross multiply
   156,724x = 238,754 × 238,754
4. Step 4: Simplify right side
   156,724x = 57,003,472,516
5. Step 5: Solve for x
   x = 57,003,472,516/156,724
6. Step 6: Final answer
   x = 363,718.85