Finding the Third Proportional to 565,581 and 1,212,123

Step by Step Solution

1. Step 1: Write the proportion equation
   565,581 : 1,212,123 = 1,212,123 : x
2. Step 2: Convert to fraction form
   565,581/1,212,123 = 1,212,123/x
3. Step 3: Cross multiply
   565,581x = 1,212,123 × 1,212,123
4. Step 4: Simplify right side
   565,581x = 1,469,242,167,129
5. Step 5: Solve for x
   x = 1,469,242,167,129/565,581
6. Step 6: Final answer
   x = 2,597,757.29