Finding the Third Proportional to 65,382,662 and 137,541,136

Step by Step Solution

1. Step 1: Write the proportion equation
   65,382,662 : 137,541,136 = 137,541,136 : x
2. Step 2: Convert to fraction form
   65,382,662/137,541,136 = 137,541,136/x
3. Step 3: Cross multiply
   65,382,662x = 137,541,136 × 137,541,136
4. Step 4: Simplify right side
   65,382,662x = 18,917,564,092,170,496
5. Step 5: Solve for x
   x = 18,917,564,092,170,496/65,382,662
6. Step 6: Final answer
   x = 289,336,094.82