Finding the Third Proportional to 64,138,499 and 140,037,864

Step by Step Solution

1. Step 1: Write the proportion equation
   64,138,499 : 140,037,864 = 140,037,864 : x
2. Step 2: Convert to fraction form
   64,138,499/140,037,864 = 140,037,864/x
3. Step 3: Cross multiply
   64,138,499x = 140,037,864 × 140,037,864
4. Step 4: Simplify right side
   64,138,499x = 19,610,603,353,682,496
5. Step 5: Solve for x
   x = 19,610,603,353,682,496/64,138,499
6. Step 6: Final answer
   x = 305,754,011.39