Finding the Third Proportional to 745,130 and 1,180,398

Step by Step Solution

1. Step 1: Write the proportion equation
   745,130 : 1,180,398 = 1,180,398 : x
2. Step 2: Convert to fraction form
   745,130/1,180,398 = 1,180,398/x
3. Step 3: Cross multiply
   745,130x = 1,180,398 × 1,180,398
4. Step 4: Simplify right side
   745,130x = 1,393,339,438,404
5. Step 5: Solve for x
   x = 1,393,339,438,404/745,130
6. Step 6: Final answer
   x = 1,869,927.98