Finding the Third Proportional to 2,609,246 and 5,291,888

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609,246 : 5,291,888 = 5,291,888 : x
2. Step 2: Convert to fraction form
   2,609,246/5,291,888 = 5,291,888/x
3. Step 3: Cross multiply
   2,609,246x = 5,291,888 × 5,291,888
4. Step 4: Simplify right side
   2,609,246x = 28,004,078,604,544
5. Step 5: Solve for x
   x = 28,004,078,604,544/2,609,246
6. Step 6: Final answer
   x = 10,732,632.57