Finding the Third Proportional to 101,779 and 155,690.50

Step by Step Solution

1. Step 1: Write the proportion equation
   101,779 : 155,690.50 = 155,690.50 : x
2. Step 2: Convert to fraction form
   101,779/155,690.50 = 155,690.50/x
3. Step 3: Cross multiply
   101,779x = 155,690.50 × 155,690.50
4. Step 4: Simplify right side
   101,779x = 24,239,531,790.25
5. Step 5: Solve for x
   x = 24,239,531,790.25/101,779
6. Step 6: Final answer
   x = 238,158.48