Finding the Third Proportional to 21,126.63 and 45,902.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,126.63 : 45,902.75 = 45,902.75 : x
2. Step 2: Convert to fraction form
   21,126.63/45,902.75 = 45,902.75/x
3. Step 3: Cross multiply
   21,126.63x = 45,902.75 × 45,902.75
4. Step 4: Simplify right side
   21,126.63x = 2,107,062,457.56
5. Step 5: Solve for x
   x = 2,107,062,457.56/21,126.63
6. Step 6: Final answer
   x = 99,734.93