Finding the Third Proportional to 21,143.25 and 45,475.88

Step by Step Solution

1. Step 1: Write the proportion equation
   21,143.25 : 45,475.88 = 45,475.88 : x
2. Step 2: Convert to fraction form
   21,143.25/45,475.88 = 45,475.88/x
3. Step 3: Cross multiply
   21,143.25x = 45,475.88 × 45,475.88
4. Step 4: Simplify right side
   21,143.25x = 2,068,055,207.02
5. Step 5: Solve for x
   x = 2,068,055,207.02/21,143.25
6. Step 6: Final answer
   x = 97,811.60