Finding the Third Proportional to 31,367,273 and 67,945,618

Step by Step Solution

1. Step 1: Write the proportion equation
   31,367,273 : 67,945,618 = 67,945,618 : x
2. Step 2: Convert to fraction form
   31,367,273/67,945,618 = 67,945,618/x
3. Step 3: Cross multiply
   31,367,273x = 67,945,618 × 67,945,618
4. Step 4: Simplify right side
   31,367,273x = 4,616,607,005,401,924
5. Step 5: Solve for x
   x = 4,616,607,005,401,924/31,367,273
6. Step 6: Final answer
   x = 147,179,099.87