Finding the Third Proportional to 156,698.50 and 238,719

Step by Step Solution

1. Step 1: Write the proportion equation
   156,698.50 : 238,719 = 238,719 : x
2. Step 2: Convert to fraction form
   156,698.50/238,719 = 238,719/x
3. Step 3: Cross multiply
   156,698.50x = 238,719 × 238,719
4. Step 4: Simplify right side
   156,698.50x = 56,986,760,961
5. Step 5: Solve for x
   x = 56,986,760,961/156,698.50
6. Step 6: Final answer
   x = 363,671.39