Finding the Third Proportional to 561,666 and 1,237,188

Step by Step Solution

1. Step 1: Write the proportion equation
   561,666 : 1,237,188 = 1,237,188 : x
2. Step 2: Convert to fraction form
   561,666/1,237,188 = 1,237,188/x
3. Step 3: Cross multiply
   561,666x = 1,237,188 × 1,237,188
4. Step 4: Simplify right side
   561,666x = 1,530,634,147,344
5. Step 5: Solve for x
   x = 1,530,634,147,344/561,666
6. Step 6: Final answer
   x = 2,725,167.89