Finding the Third Proportional to 48,615.19 and 72,922.78

Step by Step Solution

1. Step 1: Write the proportion equation
   48,615.19 : 72,922.78 = 72,922.78 : x
2. Step 2: Convert to fraction form
   48,615.19/72,922.78 = 72,922.78/x
3. Step 3: Cross multiply
   48,615.19x = 72,922.78 × 72,922.78
4. Step 4: Simplify right side
   48,615.19x = 5,317,732,025.24
5. Step 5: Solve for x
   x = 5,317,732,025.24/48,615.19
6. Step 6: Final answer
   x = 109,384.17