Finding the Third Proportional to 156,697 and 238,719.50

Step by Step Solution

1. Step 1: Write the proportion equation
   156,697 : 238,719.50 = 238,719.50 : x
2. Step 2: Convert to fraction form
   156,697/238,719.50 = 238,719.50/x
3. Step 3: Cross multiply
   156,697x = 238,719.50 × 238,719.50
4. Step 4: Simplify right side
   156,697x = 56,986,999,680.25
5. Step 5: Solve for x
   x = 56,986,999,680.25/156,697
6. Step 6: Final answer
   x = 363,676.39