Finding the Third Proportional to 603,310 and 1,191,392

Step by Step Solution

1. Step 1: Write the proportion equation
   603,310 : 1,191,392 = 1,191,392 : x
2. Step 2: Convert to fraction form
   603,310/1,191,392 = 1,191,392/x
3. Step 3: Cross multiply
   603,310x = 1,191,392 × 1,191,392
4. Step 4: Simplify right side
   603,310x = 1,419,414,897,664
5. Step 5: Solve for x
   x = 1,419,414,897,664/603,310
6. Step 6: Final answer
   x = 2,352,712.37