Finding the Third Proportional to 811,488 and 1,187,184

Step by Step Solution

1. Step 1: Write the proportion equation
   811,488 : 1,187,184 = 1,187,184 : x
2. Step 2: Convert to fraction form
   811,488/1,187,184 = 1,187,184/x
3. Step 3: Cross multiply
   811,488x = 1,187,184 × 1,187,184
4. Step 4: Simplify right side
   811,488x = 1,409,405,849,856
5. Step 5: Solve for x
   x = 1,409,405,849,856/811,488
6. Step 6: Final answer
   x = 1,736,816.63