Finding the Third Proportional to 900,260 and 1,393,520

Step by Step Solution

1. Step 1: Write the proportion equation
   900,260 : 1,393,520 = 1,393,520 : x
2. Step 2: Convert to fraction form
   900,260/1,393,520 = 1,393,520/x
3. Step 3: Cross multiply
   900,260x = 1,393,520 × 1,393,520
4. Step 4: Simplify right side
   900,260x = 1,941,897,990,400
5. Step 5: Solve for x
   x = 1,941,897,990,400/900,260
6. Step 6: Final answer
   x = 2,157,041.29