Finding the Third Proportional to 65,228,336 and 139,793,907

Step by Step Solution

1. Step 1: Write the proportion equation
   65,228,336 : 139,793,907 = 139,793,907 : x
2. Step 2: Convert to fraction form
   65,228,336/139,793,907 = 139,793,907/x
3. Step 3: Cross multiply
   65,228,336x = 139,793,907 × 139,793,907
4. Step 4: Simplify right side
   65,228,336x = 19,542,336,434,324,648
5. Step 5: Solve for x
   x = 19,542,336,434,324,648/65,228,336
6. Step 6: Final answer
   x = 299,598,880.38