Finding the Third Proportional to 607,883 and 1,407,258

Step by Step Solution

1. Step 1: Write the proportion equation
   607,883 : 1,407,258 = 1,407,258 : x
2. Step 2: Convert to fraction form
   607,883/1,407,258 = 1,407,258/x
3. Step 3: Cross multiply
   607,883x = 1,407,258 × 1,407,258
4. Step 4: Simplify right side
   607,883x = 1,980,375,078,564
5. Step 5: Solve for x
   x = 1,980,375,078,564/607,883
6. Step 6: Final answer
   x = 3,257,822.77