Finding the Third Proportional to 254,685 and 534,154.50

Step by Step Solution

1. Step 1: Write the proportion equation
   254,685 : 534,154.50 = 534,154.50 : x
2. Step 2: Convert to fraction form
   254,685/534,154.50 = 534,154.50/x
3. Step 3: Cross multiply
   254,685x = 534,154.50 × 534,154.50
4. Step 4: Simplify right side
   254,685x = 285,321,029,870.25
5. Step 5: Solve for x
   x = 285,321,029,870.25/254,685
6. Step 6: Final answer
   x = 1,120,289.89