Finding the Third Proportional to 92,620.50 and 140,929.50

Step by Step Solution

1. Step 1: Write the proportion equation
   92,620.50 : 140,929.50 = 140,929.50 : x
2. Step 2: Convert to fraction form
   92,620.50/140,929.50 = 140,929.50/x
3. Step 3: Cross multiply
   92,620.50x = 140,929.50 × 140,929.50
4. Step 4: Simplify right side
   92,620.50x = 19,861,123,970.25
5. Step 5: Solve for x
   x = 19,861,123,970.25/92,620.50
6. Step 6: Final answer
   x = 214,435.51