Finding the Third Proportional to 156,685 and 238,700

Step by Step Solution

1. Step 1: Write the proportion equation
   156,685 : 238,700 = 238,700 : x
2. Step 2: Convert to fraction form
   156,685/238,700 = 238,700/x
3. Step 3: Cross multiply
   156,685x = 238,700 × 238,700
4. Step 4: Simplify right side
   156,685x = 56,977,690,000
5. Step 5: Solve for x
   x = 56,977,690,000/156,685
6. Step 6: Final answer
   x = 363,644.83