Finding the Third Proportional to 5,543,136 and 12,144,528

Step by Step Solution

1. Step 1: Write the proportion equation
   5,543,136 : 12,144,528 = 12,144,528 : x
2. Step 2: Convert to fraction form
   5,543,136/12,144,528 = 12,144,528/x
3. Step 3: Cross multiply
   5,543,136x = 12,144,528 × 12,144,528
4. Step 4: Simplify right side
   5,543,136x = 147,489,560,342,784
5. Step 5: Solve for x
   x = 147,489,560,342,784/5,543,136
6. Step 6: Final answer
   x = 26,607,602.69