Finding the Third Proportional to 2,308,421 and 5,008,072

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308,421 : 5,008,072 = 5,008,072 : x
2. Step 2: Convert to fraction form
   2,308,421/5,008,072 = 5,008,072/x
3. Step 3: Cross multiply
   2,308,421x = 5,008,072 × 5,008,072
4. Step 4: Simplify right side
   2,308,421x = 25,080,785,157,184
5. Step 5: Solve for x
   x = 25,080,785,157,184/2,308,421
6. Step 6: Final answer
   x = 10,864,909.46