Finding the Third Proportional to 705,249.50 and 1,074,398.50

Step by Step Solution

1. Step 1: Write the proportion equation
   705,249.50 : 1,074,398.50 = 1,074,398.50 : x
2. Step 2: Convert to fraction form
   705,249.50/1,074,398.50 = 1,074,398.50/x
3. Step 3: Cross multiply
   705,249.50x = 1,074,398.50 × 1,074,398.50
4. Step 4: Simplify right side
   705,249.50x = 1,154,332,136,802.25
5. Step 5: Solve for x
   x = 1,154,332,136,802.25/705,249.50
6. Step 6: Final answer
   x = 1,636,771.29