Finding the Third Proportional to 558,628 and 1,205,786

Step by Step Solution

1. Step 1: Write the proportion equation
   558,628 : 1,205,786 = 1,205,786 : x
2. Step 2: Convert to fraction form
   558,628/1,205,786 = 1,205,786/x
3. Step 3: Cross multiply
   558,628x = 1,205,786 × 1,205,786
4. Step 4: Simplify right side
   558,628x = 1,453,919,877,796
5. Step 5: Solve for x
   x = 1,453,919,877,796/558,628
6. Step 6: Final answer
   x = 2,602,662.02