Finding the Third Proportional to 92,208.50 and 142,405.50

Step by Step Solution

1. Step 1: Write the proportion equation
   92,208.50 : 142,405.50 = 142,405.50 : x
2. Step 2: Convert to fraction form
   92,208.50/142,405.50 = 142,405.50/x
3. Step 3: Cross multiply
   92,208.50x = 142,405.50 × 142,405.50
4. Step 4: Simplify right side
   92,208.50x = 20,279,326,430.25
5. Step 5: Solve for x
   x = 20,279,326,430.25/92,208.50
6. Step 6: Final answer
   x = 219,929.04