Finding the Third Proportional to 1,839,288 and 2,870,690

Step by Step Solution

1. Step 1: Write the proportion equation
   1,839,288 : 2,870,690 = 2,870,690 : x
2. Step 2: Convert to fraction form
   1,839,288/2,870,690 = 2,870,690/x
3. Step 3: Cross multiply
   1,839,288x = 2,870,690 × 2,870,690
4. Step 4: Simplify right side
   1,839,288x = 8,240,861,076,100
5. Step 5: Solve for x
   x = 8,240,861,076,100/1,839,288
6. Step 6: Final answer
   x = 4,480,462.59