Finding the Third Proportional to 156,779 and 238,854

Step by Step Solution

1. Step 1: Write the proportion equation
   156,779 : 238,854 = 238,854 : x
2. Step 2: Convert to fraction form
   156,779/238,854 = 238,854/x
3. Step 3: Cross multiply
   156,779x = 238,854 × 238,854
4. Step 4: Simplify right side
   156,779x = 57,051,233,316
5. Step 5: Solve for x
   x = 57,051,233,316/156,779
6. Step 6: Final answer
   x = 363,895.89