Finding the Third Proportional to 5,090,215 and 10,909,078

Step by Step Solution

1. Step 1: Write the proportion equation
   5,090,215 : 10,909,078 = 10,909,078 : x
2. Step 2: Convert to fraction form
   5,090,215/10,909,078 = 10,909,078/x
3. Step 3: Cross multiply
   5,090,215x = 10,909,078 × 10,909,078
4. Step 4: Simplify right side
   5,090,215x = 119,007,982,810,084
5. Step 5: Solve for x
   x = 119,007,982,810,084/5,090,215
6. Step 6: Final answer
   x = 23,379,755.63