Finding the Third Proportional to 662,078 and 1,403,600

Step by Step Solution

1. Step 1: Write the proportion equation
   662,078 : 1,403,600 = 1,403,600 : x
2. Step 2: Convert to fraction form
   662,078/1,403,600 = 1,403,600/x
3. Step 3: Cross multiply
   662,078x = 1,403,600 × 1,403,600
4. Step 4: Simplify right side
   662,078x = 1,970,092,960,000
5. Step 5: Solve for x
   x = 1,970,092,960,000/662,078
6. Step 6: Final answer
   x = 2,975,620.64