Finding the Third Proportional to 22,428 and 47,179.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,428 : 47,179.69 = 47,179.69 : x
2. Step 2: Convert to fraction form
   22,428/47,179.69 = 47,179.69/x
3. Step 3: Cross multiply
   22,428x = 47,179.69 × 47,179.69
4. Step 4: Simplify right side
   22,428x = 2,225,922,912.60
5. Step 5: Solve for x
   x = 2,225,922,912.60/22,428
6. Step 6: Final answer
   x = 99,247.50