Finding the Third Proportional to 4,665,991.50 and 10,149,912

Step by Step Solution

1. Step 1: Write the proportion equation
   4,665,991.50 : 10,149,912 = 10,149,912 : x
2. Step 2: Convert to fraction form
   4,665,991.50/10,149,912 = 10,149,912/x
3. Step 3: Cross multiply
   4,665,991.50x = 10,149,912 × 10,149,912
4. Step 4: Simplify right side
   4,665,991.50x = 103,020,713,607,744
5. Step 5: Solve for x
   x = 103,020,713,607,744/4,665,991.50
6. Step 6: Final answer
   x = 22,079,061.57