Finding the Third Proportional to 65,382,660 and 137,541,132

Step by Step Solution

1. Step 1: Write the proportion equation
   65,382,660 : 137,541,132 = 137,541,132 : x
2. Step 2: Convert to fraction form
   65,382,660/137,541,132 = 137,541,132/x
3. Step 3: Cross multiply
   65,382,660x = 137,541,132 × 137,541,132
4. Step 4: Simplify right side
   65,382,660x = 18,917,562,991,841,424
5. Step 5: Solve for x
   x = 18,917,562,991,841,424/65,382,660
6. Step 6: Final answer
   x = 289,336,086.84