Finding the Third Proportional to 2,553,889 and 5,495,245

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553,889 : 5,495,245 = 5,495,245 : x
2. Step 2: Convert to fraction form
   2,553,889/5,495,245 = 5,495,245/x
3. Step 3: Cross multiply
   2,553,889x = 5,495,245 × 5,495,245
4. Step 4: Simplify right side
   2,553,889x = 30,197,717,610,025
5. Step 5: Solve for x
   x = 30,197,717,610,025/2,553,889
6. Step 6: Final answer
   x = 11,824,209.12