Finding the Third Proportional to 10,209,469 and 15,816,152

Step by Step Solution

1. Step 1: Write the proportion equation
   10,209,469 : 15,816,152 = 15,816,152 : x
2. Step 2: Convert to fraction form
   10,209,469/15,816,152 = 15,816,152/x
3. Step 3: Cross multiply
   10,209,469x = 15,816,152 × 15,816,152
4. Step 4: Simplify right side
   10,209,469x = 250,150,664,087,104
5. Step 5: Solve for x
   x = 250,150,664,087,104/10,209,469
6. Step 6: Final answer
   x = 24,501,829.05