Finding the Third Proportional to 200,066 and 426,916

Step by Step Solution

1. Step 1: Write the proportion equation
   200,066 : 426,916 = 426,916 : x
2. Step 2: Convert to fraction form
   200,066/426,916 = 426,916/x
3. Step 3: Cross multiply
   200,066x = 426,916 × 426,916
4. Step 4: Simplify right side
   200,066x = 182,257,271,056
5. Step 5: Solve for x
   x = 182,257,271,056/200,066
6. Step 6: Final answer
   x = 910,985.73