Finding the Third Proportional to 99,470,638 and 214,057,826

Step by Step Solution

1. Step 1: Write the proportion equation
   99,470,638 : 214,057,826 = 214,057,826 : x
2. Step 2: Convert to fraction form
   99,470,638/214,057,826 = 214,057,826/x
3. Step 3: Cross multiply
   99,470,638x = 214,057,826 × 214,057,826
4. Step 4: Simplify right side
   99,470,638x = 45,820,752,871,846,272
5. Step 5: Solve for x
   x = 45,820,752,871,846,272/99,470,638
6. Step 6: Final answer
   x = 460,646,013.67