Finding the Third Proportional to 74,002.50 and 111,669.75

Step by Step Solution

1. Step 1: Write the proportion equation
   74,002.50 : 111,669.75 = 111,669.75 : x
2. Step 2: Convert to fraction form
   74,002.50/111,669.75 = 111,669.75/x
3. Step 3: Cross multiply
   74,002.50x = 111,669.75 × 111,669.75
4. Step 4: Simplify right side
   74,002.50x = 12,470,133,065.06
5. Step 5: Solve for x
   x = 12,470,133,065.06/74,002.50
6. Step 6: Final answer
   x = 168,509.62