Finding the Third Proportional to 1,057,536 and 2,186,208

Step by Step Solution

1. Step 1: Write the proportion equation
   1,057,536 : 2,186,208 = 2,186,208 : x
2. Step 2: Convert to fraction form
   1,057,536/2,186,208 = 2,186,208/x
3. Step 3: Cross multiply
   1,057,536x = 2,186,208 × 2,186,208
4. Step 4: Simplify right side
   1,057,536x = 4,779,505,419,264
5. Step 5: Solve for x
   x = 4,779,505,419,264/1,057,536
6. Step 6: Final answer
   x = 4,519,473.02