Finding the Third Proportional to 4,340,967 and 9,428,997

Step by Step Solution

1. Step 1: Write the proportion equation
   4,340,967 : 9,428,997 = 9,428,997 : x
2. Step 2: Convert to fraction form
   4,340,967/9,428,997 = 9,428,997/x
3. Step 3: Cross multiply
   4,340,967x = 9,428,997 × 9,428,997
4. Step 4: Simplify right side
   4,340,967x = 88,905,984,426,009
5. Step 5: Solve for x
   x = 88,905,984,426,009/4,340,967
6. Step 6: Final answer
   x = 20,480,686.54