Finding the Third Proportional to 17,470.69 and 36,148.78

Step by Step Solution

1. Step 1: Write the proportion equation
   17,470.69 : 36,148.78 = 36,148.78 : x
2. Step 2: Convert to fraction form
   17,470.69/36,148.78 = 36,148.78/x
3. Step 3: Cross multiply
   17,470.69x = 36,148.78 × 36,148.78
4. Step 4: Simplify right side
   17,470.69x = 1,306,734,385.86
5. Step 5: Solve for x
   x = 1,306,734,385.86/17,470.69
6. Step 6: Final answer
   x = 74,795.82