Finding the Third Proportional to 21,388.50 and 45,546.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,388.50 : 45,546.75 = 45,546.75 : x
2. Step 2: Convert to fraction form
   21,388.50/45,546.75 = 45,546.75/x
3. Step 3: Cross multiply
   21,388.50x = 45,546.75 × 45,546.75
4. Step 4: Simplify right side
   21,388.50x = 2,074,506,435.56
5. Step 5: Solve for x
   x = 2,074,506,435.56/21,388.50
6. Step 6: Final answer
   x = 96,991.67