Finding the Third Proportional to 10,657.88 and 22,420.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,657.88 : 22,420.50 = 22,420.50 : x
2. Step 2: Convert to fraction form
   10,657.88/22,420.50 = 22,420.50/x
3. Step 3: Cross multiply
   10,657.88x = 22,420.50 × 22,420.50
4. Step 4: Simplify right side
   10,657.88x = 502,678,820.25
5. Step 5: Solve for x
   x = 502,678,820.25/10,657.88
6. Step 6: Final answer
   x = 47,165.01