Finding the Third Proportional to 156,920 and 240,086

Step by Step Solution

1. Step 1: Write the proportion equation
   156,920 : 240,086 = 240,086 : x
2. Step 2: Convert to fraction form
   156,920/240,086 = 240,086/x
3. Step 3: Cross multiply
   156,920x = 240,086 × 240,086
4. Step 4: Simplify right side
   156,920x = 57,641,287,396
5. Step 5: Solve for x
   x = 57,641,287,396/156,920
6. Step 6: Final answer
   x = 367,329.13