Finding the Third Proportional to 553,930 and 1,205,076

Step by Step Solution

1. Step 1: Write the proportion equation
   553,930 : 1,205,076 = 1,205,076 : x
2. Step 2: Convert to fraction form
   553,930/1,205,076 = 1,205,076/x
3. Step 3: Cross multiply
   553,930x = 1,205,076 × 1,205,076
4. Step 4: Simplify right side
   553,930x = 1,452,208,165,776
5. Step 5: Solve for x
   x = 1,452,208,165,776/553,930
6. Step 6: Final answer
   x = 2,621,645.63