Finding the Third Proportional to 78,175,116 and 171,767,124

Step by Step Solution

1. Step 1: Write the proportion equation
   78,175,116 : 171,767,124 = 171,767,124 : x
2. Step 2: Convert to fraction form
   78,175,116/171,767,124 = 171,767,124/x
3. Step 3: Cross multiply
   78,175,116x = 171,767,124 × 171,767,124
4. Step 4: Simplify right side
   78,175,116x = 29,503,944,887,231,376
5. Step 5: Solve for x
   x = 29,503,944,887,231,376/78,175,116
6. Step 6: Final answer
   x = 377,408,392.81