Finding the Third Proportional to 2,175,336 and 4,665,438

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175,336 : 4,665,438 = 4,665,438 : x
2. Step 2: Convert to fraction form
   2,175,336/4,665,438 = 4,665,438/x
3. Step 3: Cross multiply
   2,175,336x = 4,665,438 × 4,665,438
4. Step 4: Simplify right side
   2,175,336x = 21,766,311,731,844
5. Step 5: Solve for x
   x = 21,766,311,731,844/2,175,336
6. Step 6: Final answer
   x = 10,005,953.90