Finding the Third Proportional to 505,548 and 1,112,778

Step by Step Solution

1. Step 1: Write the proportion equation
   505,548 : 1,112,778 = 1,112,778 : x
2. Step 2: Convert to fraction form
   505,548/1,112,778 = 1,112,778/x
3. Step 3: Cross multiply
   505,548x = 1,112,778 × 1,112,778
4. Step 4: Simplify right side
   505,548x = 1,238,274,877,284
5. Step 5: Solve for x
   x = 1,238,274,877,284/505,548
6. Step 6: Final answer
   x = 2,449,371.53