Finding the Third Proportional to 84,768 and 124,111.50

Step by Step Solution

1. Step 1: Write the proportion equation
   84,768 : 124,111.50 = 124,111.50 : x
2. Step 2: Convert to fraction form
   84,768/124,111.50 = 124,111.50/x
3. Step 3: Cross multiply
   84,768x = 124,111.50 × 124,111.50
4. Step 4: Simplify right side
   84,768x = 15,403,664,432.25
5. Step 5: Solve for x
   x = 15,403,664,432.25/84,768
6. Step 6: Final answer
   x = 181,715.56