Finding the Third Proportional to 563,640 and 1,248,808

Step by Step Solution

1. Step 1: Write the proportion equation
   563,640 : 1,248,808 = 1,248,808 : x
2. Step 2: Convert to fraction form
   563,640/1,248,808 = 1,248,808/x
3. Step 3: Cross multiply
   563,640x = 1,248,808 × 1,248,808
4. Step 4: Simplify right side
   563,640x = 1,559,521,420,864
5. Step 5: Solve for x
   x = 1,559,521,420,864/563,640
6. Step 6: Final answer
   x = 2,766,874.99