Finding the Third Proportional to 4,318,784 and 9,451,136

Step by Step Solution

1. Step 1: Write the proportion equation
   4,318,784 : 9,451,136 = 9,451,136 : x
2. Step 2: Convert to fraction form
   4,318,784/9,451,136 = 9,451,136/x
3. Step 3: Cross multiply
   4,318,784x = 9,451,136 × 9,451,136
4. Step 4: Simplify right side
   4,318,784x = 89,323,971,690,496
5. Step 5: Solve for x
   x = 89,323,971,690,496/4,318,784
6. Step 6: Final answer
   x = 20,682,667.09