Finding the Third Proportional to 476,568 and 740,988

Step by Step Solution

1. Step 1: Write the proportion equation
   476,568 : 740,988 = 740,988 : x
2. Step 2: Convert to fraction form
   476,568/740,988 = 740,988/x
3. Step 3: Cross multiply
   476,568x = 740,988 × 740,988
4. Step 4: Simplify right side
   476,568x = 549,063,216,144
5. Step 5: Solve for x
   x = 549,063,216,144/476,568
6. Step 6: Final answer
   x = 1,152,119.35