Finding the Third Proportional to 22,990.50 and 54,384.75

Step by Step Solution

1. Step 1: Write the proportion equation
   22,990.50 : 54,384.75 = 54,384.75 : x
2. Step 2: Convert to fraction form
   22,990.50/54,384.75 = 54,384.75/x
3. Step 3: Cross multiply
   22,990.50x = 54,384.75 × 54,384.75
4. Step 4: Simplify right side
   22,990.50x = 2,957,701,032.56
5. Step 5: Solve for x
   x = 2,957,701,032.56/22,990.50
6. Step 6: Final answer
   x = 128,648.83