Finding the Third Proportional to 565,595 and 1,212,139

Step by Step Solution

1. Step 1: Write the proportion equation
   565,595 : 1,212,139 = 1,212,139 : x
2. Step 2: Convert to fraction form
   565,595/1,212,139 = 1,212,139/x
3. Step 3: Cross multiply
   565,595x = 1,212,139 × 1,212,139
4. Step 4: Simplify right side
   565,595x = 1,469,280,955,321
5. Step 5: Solve for x
   x = 1,469,280,955,321/565,595
6. Step 6: Final answer
   x = 2,597,761.57