Finding the Third Proportional to 8,942,916 and 19,398,136

Step by Step Solution

1. Step 1: Write the proportion equation
   8,942,916 : 19,398,136 = 19,398,136 : x
2. Step 2: Convert to fraction form
   8,942,916/19,398,136 = 19,398,136/x
3. Step 3: Cross multiply
   8,942,916x = 19,398,136 × 19,398,136
4. Step 4: Simplify right side
   8,942,916x = 376,287,680,274,496
5. Step 5: Solve for x
   x = 376,287,680,274,496/8,942,916
6. Step 6: Final answer
   x = 42,076,620.23