Finding the Third Proportional to 2,315,409 and 5,411,265

Step by Step Solution

1. Step 1: Write the proportion equation
   2,315,409 : 5,411,265 = 5,411,265 : x
2. Step 2: Convert to fraction form
   2,315,409/5,411,265 = 5,411,265/x
3. Step 3: Cross multiply
   2,315,409x = 5,411,265 × 5,411,265
4. Step 4: Simplify right side
   2,315,409x = 29,281,788,900,225
5. Step 5: Solve for x
   x = 29,281,788,900,225/2,315,409
6. Step 6: Final answer
   x = 12,646,486.60