Finding the Third Proportional to 74,062.69 and 111,748.78

Step by Step Solution

1. Step 1: Write the proportion equation
   74,062.69 : 111,748.78 = 111,748.78 : x
2. Step 2: Convert to fraction form
   74,062.69/111,748.78 = 111,748.78/x
3. Step 3: Cross multiply
   74,062.69x = 111,748.78 × 111,748.78
4. Step 4: Simplify right side
   74,062.69x = 12,487,790,110.86
5. Step 5: Solve for x
   x = 12,487,790,110.86/74,062.69
6. Step 6: Final answer
   x = 168,611.09