Finding the Third Proportional to 31,367,284 and 67,945,640

Step by Step Solution

1. Step 1: Write the proportion equation
   31,367,284 : 67,945,640 = 67,945,640 : x
2. Step 2: Convert to fraction form
   31,367,284/67,945,640 = 67,945,640/x
3. Step 3: Cross multiply
   31,367,284x = 67,945,640 × 67,945,640
4. Step 4: Simplify right side
   31,367,284x = 4,616,609,995,009,600
5. Step 5: Solve for x
   x = 4,616,609,995,009,600/31,367,284
6. Step 6: Final answer
   x = 147,179,143.56