Finding the Third Proportional to 21,822.75 and 52,490.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,822.75 : 52,490.25 = 52,490.25 : x
2. Step 2: Convert to fraction form
   21,822.75/52,490.25 = 52,490.25/x
3. Step 3: Cross multiply
   21,822.75x = 52,490.25 × 52,490.25
4. Step 4: Simplify right side
   21,822.75x = 2,755,226,345.06
5. Step 5: Solve for x
   x = 2,755,226,345.06/21,822.75
6. Step 6: Final answer
   x = 126,254.77