Finding the Third Proportional to 4,607,242 and 9,997,622

Step by Step Solution

1. Step 1: Write the proportion equation
   4,607,242 : 9,997,622 = 9,997,622 : x
2. Step 2: Convert to fraction form
   4,607,242/9,997,622 = 9,997,622/x
3. Step 3: Cross multiply
   4,607,242x = 9,997,622 × 9,997,622
4. Step 4: Simplify right side
   4,607,242x = 99,952,445,654,884
5. Step 5: Solve for x
   x = 99,952,445,654,884/4,607,242
6. Step 6: Final answer
   x = 21,694,637.63