Finding the Third Proportional to 3,485,698 and 5,280,712

Step by Step Solution

1. Step 1: Write the proportion equation
   3,485,698 : 5,280,712 = 5,280,712 : x
2. Step 2: Convert to fraction form
   3,485,698/5,280,712 = 5,280,712/x
3. Step 3: Cross multiply
   3,485,698x = 5,280,712 × 5,280,712
4. Step 4: Simplify right side
   3,485,698x = 27,885,919,226,944
5. Step 5: Solve for x
   x = 27,885,919,226,944/3,485,698
6. Step 6: Final answer
   x = 8,000,096.17