Finding the Third Proportional to 562,320 and 1,213,215

Step by Step Solution

1. Step 1: Write the proportion equation
   562,320 : 1,213,215 = 1,213,215 : x
2. Step 2: Convert to fraction form
   562,320/1,213,215 = 1,213,215/x
3. Step 3: Cross multiply
   562,320x = 1,213,215 × 1,213,215
4. Step 4: Simplify right side
   562,320x = 1,471,890,636,225
5. Step 5: Solve for x
   x = 1,471,890,636,225/562,320
6. Step 6: Final answer
   x = 2,617,532.07