Finding the Third Proportional to 49,287 and 72,175.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,287 : 72,175.50 = 72,175.50 : x
2. Step 2: Convert to fraction form
   49,287/72,175.50 = 72,175.50/x
3. Step 3: Cross multiply
   49,287x = 72,175.50 × 72,175.50
4. Step 4: Simplify right side
   49,287x = 5,209,302,800.25
5. Step 5: Solve for x
   x = 5,209,302,800.25/49,287
6. Step 6: Final answer
   x = 105,693.24