Finding the Third Proportional to 280,047 and 614,521.50

Step by Step Solution

1. Step 1: Write the proportion equation
   280,047 : 614,521.50 = 614,521.50 : x
2. Step 2: Convert to fraction form
   280,047/614,521.50 = 614,521.50/x
3. Step 3: Cross multiply
   280,047x = 614,521.50 × 614,521.50
4. Step 4: Simplify right side
   280,047x = 377,636,673,962.25
5. Step 5: Solve for x
   x = 377,636,673,962.25/280,047
6. Step 6: Final answer
   x = 1,348,476.06