Finding the Third Proportional to 21,219 and 45,724.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,219 : 45,724.50 = 45,724.50 : x
2. Step 2: Convert to fraction form
   21,219/45,724.50 = 45,724.50/x
3. Step 3: Cross multiply
   21,219x = 45,724.50 × 45,724.50
4. Step 4: Simplify right side
   21,219x = 2,090,729,900.25
5. Step 5: Solve for x
   x = 2,090,729,900.25/21,219
6. Step 6: Final answer
   x = 98,531.03