Finding the Third Proportional to 258,371 and 548,012.50

Step by Step Solution

1. Step 1: Write the proportion equation
   258,371 : 548,012.50 = 548,012.50 : x
2. Step 2: Convert to fraction form
   258,371/548,012.50 = 548,012.50/x
3. Step 3: Cross multiply
   258,371x = 548,012.50 × 548,012.50
4. Step 4: Simplify right side
   258,371x = 300,317,700,156.25
5. Step 5: Solve for x
   x = 300,317,700,156.25/258,371
6. Step 6: Final answer
   x = 1,162,350.65