Finding the Third Proportional to 21,004.50 and 30,264.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,004.50 : 30,264.75 = 30,264.75 : x
2. Step 2: Convert to fraction form
   21,004.50/30,264.75 = 30,264.75/x
3. Step 3: Cross multiply
   21,004.50x = 30,264.75 × 30,264.75
4. Step 4: Simplify right side
   21,004.50x = 915,955,092.56
5. Step 5: Solve for x
   x = 915,955,092.56/21,004.50
6. Step 6: Final answer
   x = 43,607.56