Finding the Third Proportional to 21,697.13 and 45,121.88

Step by Step Solution

1. Step 1: Write the proportion equation
   21,697.13 : 45,121.88 = 45,121.88 : x
2. Step 2: Convert to fraction form
   21,697.13/45,121.88 = 45,121.88/x
3. Step 3: Cross multiply
   21,697.13x = 45,121.88 × 45,121.88
4. Step 4: Simplify right side
   21,697.13x = 2,035,983,603.52
5. Step 5: Solve for x
   x = 2,035,983,603.52/21,697.13
6. Step 6: Final answer
   x = 93,836.56