Finding the Third Proportional to 557,188 and 1,221,181

Step by Step Solution

1. Step 1: Write the proportion equation
   557,188 : 1,221,181 = 1,221,181 : x
2. Step 2: Convert to fraction form
   557,188/1,221,181 = 1,221,181/x
3. Step 3: Cross multiply
   557,188x = 1,221,181 × 1,221,181
4. Step 4: Simplify right side
   557,188x = 1,491,283,034,761
5. Step 5: Solve for x
   x = 1,491,283,034,761/557,188
6. Step 6: Final answer
   x = 2,676,445.00