Finding the Third Proportional to 519,808 and 1,116,972

Step by Step Solution

1. Step 1: Write the proportion equation
   519,808 : 1,116,972 = 1,116,972 : x
2. Step 2: Convert to fraction form
   519,808/1,116,972 = 1,116,972/x
3. Step 3: Cross multiply
   519,808x = 1,116,972 × 1,116,972
4. Step 4: Simplify right side
   519,808x = 1,247,626,448,784
5. Step 5: Solve for x
   x = 1,247,626,448,784/519,808
6. Step 6: Final answer
   x = 2,400,167.85