Finding the Third Proportional to 21,642.19 and 45,015.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,642.19 : 45,015.75 = 45,015.75 : x
2. Step 2: Convert to fraction form
   21,642.19/45,015.75 = 45,015.75/x
3. Step 3: Cross multiply
   21,642.19x = 45,015.75 × 45,015.75
4. Step 4: Simplify right side
   21,642.19x = 2,026,417,748.06
5. Step 5: Solve for x
   x = 2,026,417,748.06/21,642.19
6. Step 6: Final answer
   x = 93,632.76