Finding the Third Proportional to 21,316.50 and 48,345.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,316.50 : 48,345.75 = 48,345.75 : x
2. Step 2: Convert to fraction form
   21,316.50/48,345.75 = 48,345.75/x
3. Step 3: Cross multiply
   21,316.50x = 48,345.75 × 48,345.75
4. Step 4: Simplify right side
   21,316.50x = 2,337,311,543.06
5. Step 5: Solve for x
   x = 2,337,311,543.06/21,316.50
6. Step 6: Final answer
   x = 109,648.00