Finding the Third Proportional to 20,472 and 43,007

Step by Step Solution

1. Step 1: Write the proportion equation
   20,472 : 43,007 = 43,007 : x
2. Step 2: Convert to fraction form
   20,472/43,007 = 43,007/x
3. Step 3: Cross multiply
   20,472x = 43,007 × 43,007
4. Step 4: Simplify right side
   20,472x = 1,849,602,049
5. Step 5: Solve for x
   x = 1,849,602,049/20,472
6. Step 6: Final answer
   x = 90,347.89