Finding the Third Proportional to 31,275,536 and 65,139,723

Step by Step Solution

1. Step 1: Write the proportion equation
   31,275,536 : 65,139,723 = 65,139,723 : x
2. Step 2: Convert to fraction form
   31,275,536/65,139,723 = 65,139,723/x
3. Step 3: Cross multiply
   31,275,536x = 65,139,723 × 65,139,723
4. Step 4: Simplify right side
   31,275,536x = 4,243,183,512,516,729
5. Step 5: Solve for x
   x = 4,243,183,512,516,729/31,275,536
6. Step 6: Final answer
   x = 135,671,008.56