Finding the Third Proportional to 4,703,714 and 9,972,630

Step by Step Solution

1. Step 1: Write the proportion equation
   4,703,714 : 9,972,630 = 9,972,630 : x
2. Step 2: Convert to fraction form
   4,703,714/9,972,630 = 9,972,630/x
3. Step 3: Cross multiply
   4,703,714x = 9,972,630 × 9,972,630
4. Step 4: Simplify right side
   4,703,714x = 99,453,349,116,900
5. Step 5: Solve for x
   x = 99,453,349,116,900/4,703,714
6. Step 6: Final answer
   x = 21,143,579.12