Finding the Third Proportional to 31,972,514 and 70,322,320

Step by Step Solution

1. Step 1: Write the proportion equation
   31,972,514 : 70,322,320 = 70,322,320 : x
2. Step 2: Convert to fraction form
   31,972,514/70,322,320 = 70,322,320/x
3. Step 3: Cross multiply
   31,972,514x = 70,322,320 × 70,322,320
4. Step 4: Simplify right side
   31,972,514x = 4,945,228,690,182,400
5. Step 5: Solve for x
   x = 4,945,228,690,182,400/31,972,514
6. Step 6: Final answer
   x = 154,671,249.50