Finding the Third Proportional to 1,271,716 and 1,920,536

Step by Step Solution

1. Step 1: Write the proportion equation
   1,271,716 : 1,920,536 = 1,920,536 : x
2. Step 2: Convert to fraction form
   1,271,716/1,920,536 = 1,920,536/x
3. Step 3: Cross multiply
   1,271,716x = 1,920,536 × 1,920,536
4. Step 4: Simplify right side
   1,271,716x = 3,688,458,527,296
5. Step 5: Solve for x
   x = 3,688,458,527,296/1,271,716
6. Step 6: Final answer
   x = 2,900,379.12