Finding the Third Proportional to 111,924.50 and 155,127

Step by Step Solution

1. Step 1: Write the proportion equation
   111,924.50 : 155,127 = 155,127 : x
2. Step 2: Convert to fraction form
   111,924.50/155,127 = 155,127/x
3. Step 3: Cross multiply
   111,924.50x = 155,127 × 155,127
4. Step 4: Simplify right side
   111,924.50x = 24,064,386,129
5. Step 5: Solve for x
   x = 24,064,386,129/111,924.50
6. Step 6: Final answer
   x = 215,005.53