Finding the Third Proportional to 603,418 and 1,248,572

Step by Step Solution

1. Step 1: Write the proportion equation
   603,418 : 1,248,572 = 1,248,572 : x
2. Step 2: Convert to fraction form
   603,418/1,248,572 = 1,248,572/x
3. Step 3: Cross multiply
   603,418x = 1,248,572 × 1,248,572
4. Step 4: Simplify right side
   603,418x = 1,558,932,039,184
5. Step 5: Solve for x
   x = 1,558,932,039,184/603,418
6. Step 6: Final answer
   x = 2,583,502.71