Finding the Third Proportional to 65,228,442 and 139,794,111

Step by Step Solution

1. Step 1: Write the proportion equation
   65,228,442 : 139,794,111 = 139,794,111 : x
2. Step 2: Convert to fraction form
   65,228,442/139,794,111 = 139,794,111/x
3. Step 3: Cross multiply
   65,228,442x = 139,794,111 × 139,794,111
4. Step 4: Simplify right side
   65,228,442x = 19,542,393,470,280,320
5. Step 5: Solve for x
   x = 19,542,393,470,280,320/65,228,442
6. Step 6: Final answer
   x = 299,599,267.91