Finding the Third Proportional to 28,139.25 and 60,165.75

Step by Step Solution

1. Step 1: Write the proportion equation
   28,139.25 : 60,165.75 = 60,165.75 : x
2. Step 2: Convert to fraction form
   28,139.25/60,165.75 = 60,165.75/x
3. Step 3: Cross multiply
   28,139.25x = 60,165.75 × 60,165.75
4. Step 4: Simplify right side
   28,139.25x = 3,619,917,473.06
5. Step 5: Solve for x
   x = 3,619,917,473.06/28,139.25
6. Step 6: Final answer
   x = 128,643.00