Finding the Third Proportional to 758,410 and 1,142,427

Step by Step Solution

1. Step 1: Write the proportion equation
   758,410 : 1,142,427 = 1,142,427 : x
2. Step 2: Convert to fraction form
   758,410/1,142,427 = 1,142,427/x
3. Step 3: Cross multiply
   758,410x = 1,142,427 × 1,142,427
4. Step 4: Simplify right side
   758,410x = 1,305,139,450,329
5. Step 5: Solve for x
   x = 1,305,139,450,329/758,410
6. Step 6: Final answer
   x = 1,720,889.03