Finding the Third Proportional to 21,308.50 and 45,887

Step by Step Solution

1. Step 1: Write the proportion equation
   21,308.50 : 45,887 = 45,887 : x
2. Step 2: Convert to fraction form
   21,308.50/45,887 = 45,887/x
3. Step 3: Cross multiply
   21,308.50x = 45,887 × 45,887
4. Step 4: Simplify right side
   21,308.50x = 2,105,616,769
5. Step 5: Solve for x
   x = 2,105,616,769/21,308.50
6. Step 6: Final answer
   x = 98,815.81