Finding the Third Proportional to 31,367,270 and 67,945,610

Step by Step Solution

1. Step 1: Write the proportion equation
   31,367,270 : 67,945,610 = 67,945,610 : x
2. Step 2: Convert to fraction form
   31,367,270/67,945,610 = 67,945,610/x
3. Step 3: Cross multiply
   31,367,270x = 67,945,610 × 67,945,610
4. Step 4: Simplify right side
   31,367,270x = 4,616,605,918,272,100
5. Step 5: Solve for x
   x = 4,616,605,918,272,100/31,367,270
6. Step 6: Final answer
   x = 147,179,079.28