Finding the Third Proportional to 556,554 and 1,218,068

Step by Step Solution

1. Step 1: Write the proportion equation
   556,554 : 1,218,068 = 1,218,068 : x
2. Step 2: Convert to fraction form
   556,554/1,218,068 = 1,218,068/x
3. Step 3: Cross multiply
   556,554x = 1,218,068 × 1,218,068
4. Step 4: Simplify right side
   556,554x = 1,483,689,652,624
5. Step 5: Solve for x
   x = 1,483,689,652,624/556,554
6. Step 6: Final answer
   x = 2,665,850.31