Finding the Third Proportional to 519,621 and 1,116,598

Step by Step Solution

1. Step 1: Write the proportion equation
   519,621 : 1,116,598 = 1,116,598 : x
2. Step 2: Convert to fraction form
   519,621/1,116,598 = 1,116,598/x
3. Step 3: Cross multiply
   519,621x = 1,116,598 × 1,116,598
4. Step 4: Simplify right side
   519,621x = 1,246,791,093,604
5. Step 5: Solve for x
   x = 1,246,791,093,604/519,621
6. Step 6: Final answer
   x = 2,399,423.99