Finding the Third Proportional to 918,178 and 1,998,946

Step by Step Solution

1. Step 1: Write the proportion equation
   918,178 : 1,998,946 = 1,998,946 : x
2. Step 2: Convert to fraction form
   918,178/1,998,946 = 1,998,946/x
3. Step 3: Cross multiply
   918,178x = 1,998,946 × 1,998,946
4. Step 4: Simplify right side
   918,178x = 3,995,785,110,916
5. Step 5: Solve for x
   x = 3,995,785,110,916/918,178
6. Step 6: Final answer
   x = 4,351,863.27