Finding the Third Proportional to 1,240,371 and 1,867,815

Step by Step Solution

1. Step 1: Write the proportion equation
   1,240,371 : 1,867,815 = 1,867,815 : x
2. Step 2: Convert to fraction form
   1,240,371/1,867,815 = 1,867,815/x
3. Step 3: Cross multiply
   1,240,371x = 1,867,815 × 1,867,815
4. Step 4: Simplify right side
   1,240,371x = 3,488,732,874,225
5. Step 5: Solve for x
   x = 3,488,732,874,225/1,240,371
6. Step 6: Final answer
   x = 2,812,652.73