Finding the Third Proportional to 597,810 and 1,290,058

Step by Step Solution

1. Step 1: Write the proportion equation
   597,810 : 1,290,058 = 1,290,058 : x
2. Step 2: Convert to fraction form
   597,810/1,290,058 = 1,290,058/x
3. Step 3: Cross multiply
   597,810x = 1,290,058 × 1,290,058
4. Step 4: Simplify right side
   597,810x = 1,664,249,643,364
5. Step 5: Solve for x
   x = 1,664,249,643,364/597,810
6. Step 6: Final answer
   x = 2,783,910.68