Finding the Third Proportional to 49,315.50 and 72,127.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,315.50 : 72,127.50 = 72,127.50 : x
2. Step 2: Convert to fraction form
   49,315.50/72,127.50 = 72,127.50/x
3. Step 3: Cross multiply
   49,315.50x = 72,127.50 × 72,127.50
4. Step 4: Simplify right side
   49,315.50x = 5,202,376,256.25
5. Step 5: Solve for x
   x = 5,202,376,256.25/49,315.50
6. Step 6: Final answer
   x = 105,491.71