Finding the Third Proportional to 2,620,998 and 5,606,316

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620,998 : 5,606,316 = 5,606,316 : x
2. Step 2: Convert to fraction form
   2,620,998/5,606,316 = 5,606,316/x
3. Step 3: Cross multiply
   2,620,998x = 5,606,316 × 5,606,316
4. Step 4: Simplify right side
   2,620,998x = 31,430,779,091,856
5. Step 5: Solve for x
   x = 31,430,779,091,856/2,620,998
6. Step 6: Final answer
   x = 11,991,912.66