Finding the Third Proportional to 9,907.31 and 20,632.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,907.31 : 20,632.22 = 20,632.22 : x
2. Step 2: Convert to fraction form
   9,907.31/20,632.22 = 20,632.22/x
3. Step 3: Cross multiply
   9,907.31x = 20,632.22 × 20,632.22
4. Step 4: Simplify right side
   9,907.31x = 425,688,450.55
5. Step 5: Solve for x
   x = 425,688,450.55/9,907.31
6. Step 6: Final answer
   x = 42,967.10