Finding the Third Proportional to 4,607,235 and 9,997,610

Step by Step Solution

1. Step 1: Write the proportion equation
   4,607,235 : 9,997,610 = 9,997,610 : x
2. Step 2: Convert to fraction form
   4,607,235/9,997,610 = 9,997,610/x
3. Step 3: Cross multiply
   4,607,235x = 9,997,610 × 9,997,610
4. Step 4: Simplify right side
   4,607,235x = 99,952,205,712,100
5. Step 5: Solve for x
   x = 99,952,205,712,100/4,607,235
6. Step 6: Final answer
   x = 21,694,618.51