Finding the Third Proportional to 55,215.50 and 73,565

Step by Step Solution

1. Step 1: Write the proportion equation
   55,215.50 : 73,565 = 73,565 : x
2. Step 2: Convert to fraction form
   55,215.50/73,565 = 73,565/x
3. Step 3: Cross multiply
   55,215.50x = 73,565 × 73,565
4. Step 4: Simplify right side
   55,215.50x = 5,411,809,225
5. Step 5: Solve for x
   x = 5,411,809,225/55,215.50
6. Step 6: Final answer
   x = 98,012.50