Finding the Third Proportional to 592,490 and 1,155,421

Step by Step Solution

1. Step 1: Write the proportion equation
   592,490 : 1,155,421 = 1,155,421 : x
2. Step 2: Convert to fraction form
   592,490/1,155,421 = 1,155,421/x
3. Step 3: Cross multiply
   592,490x = 1,155,421 × 1,155,421
4. Step 4: Simplify right side
   592,490x = 1,334,997,687,241
5. Step 5: Solve for x
   x = 1,334,997,687,241/592,490
6. Step 6: Final answer
   x = 2,253,198.68