Finding the Third Proportional to 60,400.69 and 130,756.78

Step by Step Solution

1. Step 1: Write the proportion equation
   60,400.69 : 130,756.78 = 130,756.78 : x
2. Step 2: Convert to fraction form
   60,400.69/130,756.78 = 130,756.78/x
3. Step 3: Cross multiply
   60,400.69x = 130,756.78 × 130,756.78
4. Step 4: Simplify right side
   60,400.69x = 17,097,335,842.86
5. Step 5: Solve for x
   x = 17,097,335,842.86/60,400.69
6. Step 6: Final answer
   x = 283,065.25