Finding the Third Proportional to 92,442 and 142,738.50

Step by Step Solution

1. Step 1: Write the proportion equation
   92,442 : 142,738.50 = 142,738.50 : x
2. Step 2: Convert to fraction form
   92,442/142,738.50 = 142,738.50/x
3. Step 3: Cross multiply
   92,442x = 142,738.50 × 142,738.50
4. Step 4: Simplify right side
   92,442x = 20,374,279,382.25
5. Step 5: Solve for x
   x = 20,374,279,382.25/92,442
6. Step 6: Final answer
   x = 220,400.68