Finding the Third Proportional to 31,510,652 and 68,399,162

Step by Step Solution

1. Step 1: Write the proportion equation
   31,510,652 : 68,399,162 = 68,399,162 : x
2. Step 2: Convert to fraction form
   31,510,652/68,399,162 = 68,399,162/x
3. Step 3: Cross multiply
   31,510,652x = 68,399,162 × 68,399,162
4. Step 4: Simplify right side
   31,510,652x = 4,678,445,362,302,244
5. Step 5: Solve for x
   x = 4,678,445,362,302,244/31,510,652
6. Step 6: Final answer
   x = 148,471,867.94