Finding the Third Proportional to 1,890,400 and 2,870,549

Step by Step Solution

1. Step 1: Write the proportion equation
   1,890,400 : 2,870,549 = 2,870,549 : x
2. Step 2: Convert to fraction form
   1,890,400/2,870,549 = 2,870,549/x
3. Step 3: Cross multiply
   1,890,400x = 2,870,549 × 2,870,549
4. Step 4: Simplify right side
   1,890,400x = 8,240,051,561,401
5. Step 5: Solve for x
   x = 8,240,051,561,401/1,890,400
6. Step 6: Final answer
   x = 4,358,893.12