Finding the Third Proportional to 612,152 and 1,322,665

Step by Step Solution

1. Step 1: Write the proportion equation
   612,152 : 1,322,665 = 1,322,665 : x
2. Step 2: Convert to fraction form
   612,152/1,322,665 = 1,322,665/x
3. Step 3: Cross multiply
   612,152x = 1,322,665 × 1,322,665
4. Step 4: Simplify right side
   612,152x = 1,749,442,702,225
5. Step 5: Solve for x
   x = 1,749,442,702,225/612,152
6. Step 6: Final answer
   x = 2,857,856.71