Finding the Third Proportional to 65,228,434 and 139,794,096

Step by Step Solution

1. Step 1: Write the proportion equation
   65,228,434 : 139,794,096 = 139,794,096 : x
2. Step 2: Convert to fraction form
   65,228,434/139,794,096 = 139,794,096/x
3. Step 3: Cross multiply
   65,228,434x = 139,794,096 × 139,794,096
4. Step 4: Simplify right side
   65,228,434x = 19,542,389,276,457,216
5. Step 5: Solve for x
   x = 19,542,389,276,457,216/65,228,434
6. Step 6: Final answer
   x = 299,599,240.36