Finding the Third Proportional to 10,045.47 and 21,876.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,045.47 : 21,876.78 = 21,876.78 : x
2. Step 2: Convert to fraction form
   10,045.47/21,876.78 = 21,876.78/x
3. Step 3: Cross multiply
   10,045.47x = 21,876.78 × 21,876.78
4. Step 4: Simplify right side
   10,045.47x = 478,593,557.86
5. Step 5: Solve for x
   x = 478,593,557.86/10,045.47
6. Step 6: Final answer
   x = 47,642.73