Finding the Third Proportional to 31,367,286 and 67,945,644

Step by Step Solution

1. Step 1: Write the proportion equation
   31,367,286 : 67,945,644 = 67,945,644 : x
2. Step 2: Convert to fraction form
   31,367,286/67,945,644 = 67,945,644/x
3. Step 3: Cross multiply
   31,367,286x = 67,945,644 × 67,945,644
4. Step 4: Simplify right side
   31,367,286x = 4,616,610,538,574,736
5. Step 5: Solve for x
   x = 4,616,610,538,574,736/31,367,286
6. Step 6: Final answer
   x = 147,179,151.51