Finding the Third Proportional to 1,288,084 and 1,880,428

Step by Step Solution

1. Step 1: Write the proportion equation
   1,288,084 : 1,880,428 = 1,880,428 : x
2. Step 2: Convert to fraction form
   1,288,084/1,880,428 = 1,880,428/x
3. Step 3: Cross multiply
   1,288,084x = 1,880,428 × 1,880,428
4. Step 4: Simplify right side
   1,288,084x = 3,536,009,463,184
5. Step 5: Solve for x
   x = 3,536,009,463,184/1,288,084
6. Step 6: Final answer
   x = 2,745,169.93