Finding the Third Proportional to 74,389.50 and 111,746.25

Step by Step Solution

1. Step 1: Write the proportion equation
   74,389.50 : 111,746.25 = 111,746.25 : x
2. Step 2: Convert to fraction form
   74,389.50/111,746.25 = 111,746.25/x
3. Step 3: Cross multiply
   74,389.50x = 111,746.25 × 111,746.25
4. Step 4: Simplify right side
   74,389.50x = 12,487,224,389.06
5. Step 5: Solve for x
   x = 12,487,224,389.06/74,389.50
6. Step 6: Final answer
   x = 167,862.73