Finding the Third Proportional to 21,143.50 and 45,476.38

Step by Step Solution

1. Step 1: Write the proportion equation
   21,143.50 : 45,476.38 = 45,476.38 : x
2. Step 2: Convert to fraction form
   21,143.50/45,476.38 = 45,476.38/x
3. Step 3: Cross multiply
   21,143.50x = 45,476.38 × 45,476.38
4. Step 4: Simplify right side
   21,143.50x = 2,068,100,683.14
5. Step 5: Solve for x
   x = 2,068,100,683.14/21,143.50
6. Step 6: Final answer
   x = 97,812.60