Finding the Third Proportional to 561,004 and 1,217,120

Step by Step Solution

1. Step 1: Write the proportion equation
   561,004 : 1,217,120 = 1,217,120 : x
2. Step 2: Convert to fraction form
   561,004/1,217,120 = 1,217,120/x
3. Step 3: Cross multiply
   561,004x = 1,217,120 × 1,217,120
4. Step 4: Simplify right side
   561,004x = 1,481,381,094,400
5. Step 5: Solve for x
   x = 1,481,381,094,400/561,004
6. Step 6: Final answer
   x = 2,640,589.18