Finding the Third Proportional to 745,220 and 1,053,462

Step by Step Solution

1. Step 1: Write the proportion equation
   745,220 : 1,053,462 = 1,053,462 : x
2. Step 2: Convert to fraction form
   745,220/1,053,462 = 1,053,462/x
3. Step 3: Cross multiply
   745,220x = 1,053,462 × 1,053,462
4. Step 4: Simplify right side
   745,220x = 1,109,782,185,444
5. Step 5: Solve for x
   x = 1,109,782,185,444/745,220
6. Step 6: Final answer
   x = 1,489,200.75