Finding the Third Proportional to 156,681 and 238,693.50

Step by Step Solution

1. Step 1: Write the proportion equation
   156,681 : 238,693.50 = 238,693.50 : x
2. Step 2: Convert to fraction form
   156,681/238,693.50 = 238,693.50/x
3. Step 3: Cross multiply
   156,681x = 238,693.50 × 238,693.50
4. Step 4: Simplify right side
   156,681x = 56,974,586,942.25
5. Step 5: Solve for x
   x = 56,974,586,942.25/156,681
6. Step 6: Final answer
   x = 363,634.31