Finding the Third Proportional to 65,383,974 and 138,737,868

Step by Step Solution

1. Step 1: Write the proportion equation
   65,383,974 : 138,737,868 = 138,737,868 : x
2. Step 2: Convert to fraction form
   65,383,974/138,737,868 = 138,737,868/x
3. Step 3: Cross multiply
   65,383,974x = 138,737,868 × 138,737,868
4. Step 4: Simplify right side
   65,383,974x = 19,248,196,017,185,424
5. Step 5: Solve for x
   x = 19,248,196,017,185,424/65,383,974
6. Step 6: Final answer
   x = 294,387,062.14