Finding the Third Proportional to 40,633,641 and 86,778,036

Step by Step Solution

1. Step 1: Write the proportion equation
   40,633,641 : 86,778,036 = 86,778,036 : x
2. Step 2: Convert to fraction form
   40,633,641/86,778,036 = 86,778,036/x
3. Step 3: Cross multiply
   40,633,641x = 86,778,036 × 86,778,036
4. Step 4: Simplify right side
   40,633,641x = 7,530,427,532,017,296
5. Step 5: Solve for x
   x = 7,530,427,532,017,296/40,633,641
6. Step 6: Final answer
   x = 185,324,951.12