Finding the Third Proportional to 42,919.50 and 88,809

Step by Step Solution

1. Step 1: Write the proportion equation
   42,919.50 : 88,809 = 88,809 : x
2. Step 2: Convert to fraction form
   42,919.50/88,809 = 88,809/x
3. Step 3: Cross multiply
   42,919.50x = 88,809 × 88,809
4. Step 4: Simplify right side
   42,919.50x = 7,887,038,481
5. Step 5: Solve for x
   x = 7,887,038,481/42,919.50
6. Step 6: Final answer
   x = 183,763.52