Finding the Third Proportional to 40,633,680 and 86,778,096

Step by Step Solution

1. Step 1: Write the proportion equation
   40,633,680 : 86,778,096 = 86,778,096 : x
2. Step 2: Convert to fraction form
   40,633,680/86,778,096 = 86,778,096/x
3. Step 3: Cross multiply
   40,633,680x = 86,778,096 × 86,778,096
4. Step 4: Simplify right side
   40,633,680x = 7,530,437,945,385,216
5. Step 5: Solve for x
   x = 7,530,437,945,385,216/40,633,680
6. Step 6: Final answer
   x = 185,325,029.52