Finding the Third Proportional to 563,906 and 1,239,970

Step by Step Solution

1. Step 1: Write the proportion equation
   563,906 : 1,239,970 = 1,239,970 : x
2. Step 2: Convert to fraction form
   563,906/1,239,970 = 1,239,970/x
3. Step 3: Cross multiply
   563,906x = 1,239,970 × 1,239,970
4. Step 4: Simplify right side
   563,906x = 1,537,525,600,900
5. Step 5: Solve for x
   x = 1,537,525,600,900/563,906
6. Step 6: Final answer
   x = 2,726,563.65