Finding the Third Proportional to 562,112 and 1,218,280

Step by Step Solution

1. Step 1: Write the proportion equation
   562,112 : 1,218,280 = 1,218,280 : x
2. Step 2: Convert to fraction form
   562,112/1,218,280 = 1,218,280/x
3. Step 3: Cross multiply
   562,112x = 1,218,280 × 1,218,280
4. Step 4: Simplify right side
   562,112x = 1,484,206,158,400
5. Step 5: Solve for x
   x = 1,484,206,158,400/562,112
6. Step 6: Final answer
   x = 2,640,410.02