Finding the Third Proportional to 21,642.19 and 47,253.38

Step by Step Solution

1. Step 1: Write the proportion equation
   21,642.19 : 47,253.38 = 47,253.38 : x
2. Step 2: Convert to fraction form
   21,642.19/47,253.38 = 47,253.38/x
3. Step 3: Cross multiply
   21,642.19x = 47,253.38 × 47,253.38
4. Step 4: Simplify right side
   21,642.19x = 2,232,881,448.89
5. Step 5: Solve for x
   x = 2,232,881,448.89/21,642.19
6. Step 6: Final answer
   x = 103,172.63