Finding the Third Proportional to 4,575,206 and 9,903,496

Step by Step Solution

1. Step 1: Write the proportion equation
   4,575,206 : 9,903,496 = 9,903,496 : x
2. Step 2: Convert to fraction form
   4,575,206/9,903,496 = 9,903,496/x
3. Step 3: Cross multiply
   4,575,206x = 9,903,496 × 9,903,496
4. Step 4: Simplify right side
   4,575,206x = 98,079,233,022,016
5. Step 5: Solve for x
   x = 98,079,233,022,016/4,575,206
6. Step 6: Final answer
   x = 21,437,118.46