Finding the Third Proportional to 601,742 and 1,311,402

Step by Step Solution

1. Step 1: Write the proportion equation
   601,742 : 1,311,402 = 1,311,402 : x
2. Step 2: Convert to fraction form
   601,742/1,311,402 = 1,311,402/x
3. Step 3: Cross multiply
   601,742x = 1,311,402 × 1,311,402
4. Step 4: Simplify right side
   601,742x = 1,719,775,205,604
5. Step 5: Solve for x
   x = 1,719,775,205,604/601,742
6. Step 6: Final answer
   x = 2,857,994.30