Finding the Third Proportional to 7,129,636 and 14,846,788

Step by Step Solution

1. Step 1: Write the proportion equation
   7,129,636 : 14,846,788 = 14,846,788 : x
2. Step 2: Convert to fraction form
   7,129,636/14,846,788 = 14,846,788/x
3. Step 3: Cross multiply
   7,129,636x = 14,846,788 × 14,846,788
4. Step 4: Simplify right side
   7,129,636x = 220,427,113,916,944
5. Step 5: Solve for x
   x = 220,427,113,916,944/7,129,636
6. Step 6: Final answer
   x = 30,917,022.12