Finding the Third Proportional to 811,521 and 1,735,612

Step by Step Solution

1. Step 1: Write the proportion equation
   811,521 : 1,735,612 = 1,735,612 : x
2. Step 2: Convert to fraction form
   811,521/1,735,612 = 1,735,612/x
3. Step 3: Cross multiply
   811,521x = 1,735,612 × 1,735,612
4. Step 4: Simplify right side
   811,521x = 3,012,349,014,544
5. Step 5: Solve for x
   x = 3,012,349,014,544/811,521
6. Step 6: Final answer
   x = 3,711,979.13