Finding the Third Proportional to 2,175,648 and 4,665,984

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175,648 : 4,665,984 = 4,665,984 : x
2. Step 2: Convert to fraction form
   2,175,648/4,665,984 = 4,665,984/x
3. Step 3: Cross multiply
   2,175,648x = 4,665,984 × 4,665,984
4. Step 4: Simplify right side
   2,175,648x = 21,771,406,688,256
5. Step 5: Solve for x
   x = 21,771,406,688,256/2,175,648
6. Step 6: Final answer
   x = 10,006,860.80