Finding the Third Proportional to 898,128 and 1,929,312

Step by Step Solution

1. Step 1: Write the proportion equation
   898,128 : 1,929,312 = 1,929,312 : x
2. Step 2: Convert to fraction form
   898,128/1,929,312 = 1,929,312/x
3. Step 3: Cross multiply
   898,128x = 1,929,312 × 1,929,312
4. Step 4: Simplify right side
   898,128x = 3,722,244,793,344
5. Step 5: Solve for x
   x = 3,722,244,793,344/898,128
6. Step 6: Final answer
   x = 4,144,448