Finding the Third Proportional to 696,742 and 1,042,405

Step by Step Solution

1. Step 1: Write the proportion equation
   696,742 : 1,042,405 = 1,042,405 : x
2. Step 2: Convert to fraction form
   696,742/1,042,405 = 1,042,405/x
3. Step 3: Cross multiply
   696,742x = 1,042,405 × 1,042,405
4. Step 4: Simplify right side
   696,742x = 1,086,608,184,025
5. Step 5: Solve for x
   x = 1,086,608,184,025/696,742
6. Step 6: Final answer
   x = 1,559,556.03