Finding the Third Proportional to 78,957,408 and 117,778,944

Step by Step Solution

1. Step 1: Write the proportion equation
   78,957,408 : 117,778,944 = 117,778,944 : x
2. Step 2: Convert to fraction form
   78,957,408/117,778,944 = 117,778,944/x
3. Step 3: Cross multiply
   78,957,408x = 117,778,944 × 117,778,944
4. Step 4: Simplify right side
   78,957,408x = 13,871,879,649,755,136
5. Step 5: Solve for x
   x = 13,871,879,649,755,136/78,957,408
6. Step 6: Final answer
   x = 175,688,133.65