Finding the Third Proportional to 21,071.25 and 45,317.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,071.25 : 45,317.25 = 45,317.25 : x
2. Step 2: Convert to fraction form
   21,071.25/45,317.25 = 45,317.25/x
3. Step 3: Cross multiply
   21,071.25x = 45,317.25 × 45,317.25
4. Step 4: Simplify right side
   21,071.25x = 2,053,653,147.56
5. Step 5: Solve for x
   x = 2,053,653,147.56/21,071.25
6. Step 6: Final answer
   x = 97,462.33