Finding the Third Proportional to 519,858 and 1,137,552

Step by Step Solution

1. Step 1: Write the proportion equation
   519,858 : 1,137,552 = 1,137,552 : x
2. Step 2: Convert to fraction form
   519,858/1,137,552 = 1,137,552/x
3. Step 3: Cross multiply
   519,858x = 1,137,552 × 1,137,552
4. Step 4: Simplify right side
   519,858x = 1,294,024,552,704
5. Step 5: Solve for x
   x = 1,294,024,552,704/519,858
6. Step 6: Final answer
   x = 2,489,188.50