Finding the Third Proportional to 686,250 and 1,041,039

Step by Step Solution

1. Step 1: Write the proportion equation
   686,250 : 1,041,039 = 1,041,039 : x
2. Step 2: Convert to fraction form
   686,250/1,041,039 = 1,041,039/x
3. Step 3: Cross multiply
   686,250x = 1,041,039 × 1,041,039
4. Step 4: Simplify right side
   686,250x = 1,083,762,199,521
5. Step 5: Solve for x
   x = 1,083,762,199,521/686,250
6. Step 6: Final answer
   x = 1,579,252.75