Finding the Third Proportional to 916,920 and 1,375,380

Step by Step Solution

1. Step 1: Write the proportion equation
   916,920 : 1,375,380 = 1,375,380 : x
2. Step 2: Convert to fraction form
   916,920/1,375,380 = 1,375,380/x
3. Step 3: Cross multiply
   916,920x = 1,375,380 × 1,375,380
4. Step 4: Simplify right side
   916,920x = 1,891,670,144,400
5. Step 5: Solve for x
   x = 1,891,670,144,400/916,920
6. Step 6: Final answer
   x = 2,063,070