Finding the Third Proportional to 607,858 and 1,407,083

Step by Step Solution

1. Step 1: Write the proportion equation
   607,858 : 1,407,083 = 1,407,083 : x
2. Step 2: Convert to fraction form
   607,858/1,407,083 = 1,407,083/x
3. Step 3: Cross multiply
   607,858x = 1,407,083 × 1,407,083
4. Step 4: Simplify right side
   607,858x = 1,979,882,568,889
5. Step 5: Solve for x
   x = 1,979,882,568,889/607,858
6. Step 6: Final answer
   x = 3,257,146.52