Finding the Third Proportional to 618,200 and 1,354,624

Step by Step Solution

1. Step 1: Write the proportion equation
   618,200 : 1,354,624 = 1,354,624 : x
2. Step 2: Convert to fraction form
   618,200/1,354,624 = 1,354,624/x
3. Step 3: Cross multiply
   618,200x = 1,354,624 × 1,354,624
4. Step 4: Simplify right side
   618,200x = 1,835,006,181,376
5. Step 5: Solve for x
   x = 1,835,006,181,376/618,200
6. Step 6: Final answer
   x = 2,968,305.05