Finding the Third Proportional to 1,112,616 and 2,278,125

Step by Step Solution

1. Step 1: Write the proportion equation
   1,112,616 : 2,278,125 = 2,278,125 : x
2. Step 2: Convert to fraction form
   1,112,616/2,278,125 = 2,278,125/x
3. Step 3: Cross multiply
   1,112,616x = 2,278,125 × 2,278,125
4. Step 4: Simplify right side
   1,112,616x = 5,189,853,515,625
5. Step 5: Solve for x
   x = 5,189,853,515,625/1,112,616
6. Step 6: Final answer
   x = 4,664,550.50