Finding the Third Proportional to 46,200.38 and 68,890.50

Step by Step Solution

1. Step 1: Write the proportion equation
   46,200.38 : 68,890.50 = 68,890.50 : x
2. Step 2: Convert to fraction form
   46,200.38/68,890.50 = 68,890.50/x
3. Step 3: Cross multiply
   46,200.38x = 68,890.50 × 68,890.50
4. Step 4: Simplify right side
   46,200.38x = 4,745,900,990.25
5. Step 5: Solve for x
   x = 4,745,900,990.25/46,200.38
6. Step 6: Final answer
   x = 102,724.30