Finding the Third Proportional to 21,003.75 and 45,389.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,003.75 : 45,389.25 = 45,389.25 : x
2. Step 2: Convert to fraction form
   21,003.75/45,389.25 = 45,389.25/x
3. Step 3: Cross multiply
   21,003.75x = 45,389.25 × 45,389.25
4. Step 4: Simplify right side
   21,003.75x = 2,060,184,015.56
5. Step 5: Solve for x
   x = 2,060,184,015.56/21,003.75
6. Step 6: Final answer
   x = 98,086.49