Finding the Third Proportional to 864,078 and 1,880,523

Step by Step Solution

1. Step 1: Write the proportion equation
   864,078 : 1,880,523 = 1,880,523 : x
2. Step 2: Convert to fraction form
   864,078/1,880,523 = 1,880,523/x
3. Step 3: Cross multiply
   864,078x = 1,880,523 × 1,880,523
4. Step 4: Simplify right side
   864,078x = 3,536,366,753,529
5. Step 5: Solve for x
   x = 3,536,366,753,529/864,078
6. Step 6: Final answer
   x = 4,092,647.60