Finding the Third Proportional to 12,317,271 and 17,742,478

Step by Step Solution

1. Step 1: Write the proportion equation
   12,317,271 : 17,742,478 = 17,742,478 : x
2. Step 2: Convert to fraction form
   12,317,271/17,742,478 = 17,742,478/x
3. Step 3: Cross multiply
   12,317,271x = 17,742,478 × 17,742,478
4. Step 4: Simplify right side
   12,317,271x = 314,795,525,580,484
5. Step 5: Solve for x
   x = 314,795,525,580,484/12,317,271
6. Step 6: Final answer
   x = 25,557,246.05