Finding the Third Proportional to 2,147,018 and 4,630,310

Step by Step Solution

1. Step 1: Write the proportion equation
   2,147,018 : 4,630,310 = 4,630,310 : x
2. Step 2: Convert to fraction form
   2,147,018/4,630,310 = 4,630,310/x
3. Step 3: Cross multiply
   2,147,018x = 4,630,310 × 4,630,310
4. Step 4: Simplify right side
   2,147,018x = 21,439,770,696,100
5. Step 5: Solve for x
   x = 21,439,770,696,100/2,147,018
6. Step 6: Final answer
   x = 9,985,836.49