Finding the Third Proportional to 28,117.13 and 60,400.69

Step by Step Solution

1. Step 1: Write the proportion equation
   28,117.13 : 60,400.69 = 60,400.69 : x
2. Step 2: Convert to fraction form
   28,117.13/60,400.69 = 60,400.69/x
3. Step 3: Cross multiply
   28,117.13x = 60,400.69 × 60,400.69
4. Step 4: Simplify right side
   28,117.13x = 3,648,243,050.47
5. Step 5: Solve for x
   x = 3,648,243,050.47/28,117.13
6. Step 6: Final answer
   x = 129,751.64