Finding the Third Proportional to 2,554,146 and 5,506,920

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554,146 : 5,506,920 = 5,506,920 : x
2. Step 2: Convert to fraction form
   2,554,146/5,506,920 = 5,506,920/x
3. Step 3: Cross multiply
   2,554,146x = 5,506,920 × 5,506,920
4. Step 4: Simplify right side
   2,554,146x = 30,326,167,886,400
5. Step 5: Solve for x
   x = 30,326,167,886,400/2,554,146
6. Step 6: Final answer
   x = 11,873,310.25