Finding the Third Proportional to 21,396.66 and 47,167.31

Step by Step Solution

1. Step 1: Write the proportion equation
   21,396.66 : 47,167.31 = 47,167.31 : x
2. Step 2: Convert to fraction form
   21,396.66/47,167.31 = 47,167.31/x
3. Step 3: Cross multiply
   21,396.66x = 47,167.31 × 47,167.31
4. Step 4: Simplify right side
   21,396.66x = 2,224,755,368.47
5. Step 5: Solve for x
   x = 2,224,755,368.47/21,396.66
6. Step 6: Final answer
   x = 103,976.78