Finding the Third Proportional to 78,175,162 and 171,767,216

Step by Step Solution

1. Step 1: Write the proportion equation
   78,175,162 : 171,767,216 = 171,767,216 : x
2. Step 2: Convert to fraction form
   78,175,162/171,767,216 = 171,767,216/x
3. Step 3: Cross multiply
   78,175,162x = 171,767,216 × 171,767,216
4. Step 4: Simplify right side
   78,175,162x = 29,503,976,492,390,656
5. Step 5: Solve for x
   x = 29,503,976,492,390,656/78,175,162
6. Step 6: Final answer
   x = 377,408,575.02