Finding the Third Proportional to 31,031,695.50 and 65,846,016

Step by Step Solution

1. Step 1: Write the proportion equation
   31,031,695.50 : 65,846,016 = 65,846,016 : x
2. Step 2: Convert to fraction form
   31,031,695.50/65,846,016 = 65,846,016/x
3. Step 3: Cross multiply
   31,031,695.50x = 65,846,016 × 65,846,016
4. Step 4: Simplify right side
   31,031,695.50x = 4,335,697,823,072,256
5. Step 5: Solve for x
   x = 4,335,697,823,072,256/31,031,695.50
6. Step 6: Final answer
   x = 139,718,367.08