Finding the Third Proportional to 69,969,914 and 144,411,136

Step by Step Solution

1. Step 1: Write the proportion equation
   69,969,914 : 144,411,136 = 144,411,136 : x
2. Step 2: Convert to fraction form
   69,969,914/144,411,136 = 144,411,136/x
3. Step 3: Cross multiply
   69,969,914x = 144,411,136 × 144,411,136
4. Step 4: Simplify right side
   69,969,914x = 20,854,576,200,810,496
5. Step 5: Solve for x
   x = 20,854,576,200,810,496/69,969,914
6. Step 6: Final answer
   x = 298,050,619.31