Finding the Third Proportional to 74,448 and 111,685.50

Step by Step Solution

1. Step 1: Write the proportion equation
   74,448 : 111,685.50 = 111,685.50 : x
2. Step 2: Convert to fraction form
   74,448/111,685.50 = 111,685.50/x
3. Step 3: Cross multiply
   74,448x = 111,685.50 × 111,685.50
4. Step 4: Simplify right side
   74,448x = 12,473,650,910.25
5. Step 5: Solve for x
   x = 12,473,650,910.25/74,448
6. Step 6: Final answer
   x = 167,548.50