Finding the Third Proportional to 2,606,818 and 5,451,985

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606,818 : 5,451,985 = 5,451,985 : x
2. Step 2: Convert to fraction form
   2,606,818/5,451,985 = 5,451,985/x
3. Step 3: Cross multiply
   2,606,818x = 5,451,985 × 5,451,985
4. Step 4: Simplify right side
   2,606,818x = 29,724,140,440,225
5. Step 5: Solve for x
   x = 29,724,140,440,225/2,606,818
6. Step 6: Final answer
   x = 11,402,460.95