Finding the Third Proportional to 40,200.50 and 84,860.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,200.50 : 84,860.50 = 84,860.50 : x
2. Step 2: Convert to fraction form
   40,200.50/84,860.50 = 84,860.50/x
3. Step 3: Cross multiply
   40,200.50x = 84,860.50 × 84,860.50
4. Step 4: Simplify right side
   40,200.50x = 7,201,304,460.25
5. Step 5: Solve for x
   x = 7,201,304,460.25/40,200.50
6. Step 6: Final answer
   x = 179,134.70