Finding the Third Proportional to 4,233,540 and 9,146,136

Step by Step Solution

1. Step 1: Write the proportion equation
   4,233,540 : 9,146,136 = 9,146,136 : x
2. Step 2: Convert to fraction form
   4,233,540/9,146,136 = 9,146,136/x
3. Step 3: Cross multiply
   4,233,540x = 9,146,136 × 9,146,136
4. Step 4: Simplify right side
   4,233,540x = 83,651,803,730,496
5. Step 5: Solve for x
   x = 83,651,803,730,496/4,233,540
6. Step 6: Final answer
   x = 19,759,303.97