Finding the Third Proportional to 3,548,518 and 5,316,872

Step by Step Solution

1. Step 1: Write the proportion equation
   3,548,518 : 5,316,872 = 5,316,872 : x
2. Step 2: Convert to fraction form
   3,548,518/5,316,872 = 5,316,872/x
3. Step 3: Cross multiply
   3,548,518x = 5,316,872 × 5,316,872
4. Step 4: Simplify right side
   3,548,518x = 28,269,127,864,384
5. Step 5: Solve for x
   x = 28,269,127,864,384/3,548,518
6. Step 6: Final answer
   x = 7,966,460.33