Finding the Third Proportional to 28,110.19 and 60,388.69

Step by Step Solution

1. Step 1: Write the proportion equation
   28,110.19 : 60,388.69 = 60,388.69 : x
2. Step 2: Convert to fraction form
   28,110.19/60,388.69 = 60,388.69/x
3. Step 3: Cross multiply
   28,110.19x = 60,388.69 × 60,388.69
4. Step 4: Simplify right side
   28,110.19x = 3,646,793,577.97
5. Step 5: Solve for x
   x = 3,646,793,577.97/28,110.19
6. Step 6: Final answer
   x = 129,732.10