Finding the Third Proportional to 561,806 and 1,238,134

Step by Step Solution

1. Step 1: Write the proportion equation
   561,806 : 1,238,134 = 1,238,134 : x
2. Step 2: Convert to fraction form
   561,806/1,238,134 = 1,238,134/x
3. Step 3: Cross multiply
   561,806x = 1,238,134 × 1,238,134
4. Step 4: Simplify right side
   561,806x = 1,532,975,801,956
5. Step 5: Solve for x
   x = 1,532,975,801,956/561,806
6. Step 6: Final answer
   x = 2,728,656.87