Finding the Third Proportional to 918,164 and 1,988,792

Step by Step Solution

1. Step 1: Write the proportion equation
   918,164 : 1,988,792 = 1,988,792 : x
2. Step 2: Convert to fraction form
   918,164/1,988,792 = 1,988,792/x
3. Step 3: Cross multiply
   918,164x = 1,988,792 × 1,988,792
4. Step 4: Simplify right side
   918,164x = 3,955,293,619,264
5. Step 5: Solve for x
   x = 3,955,293,619,264/918,164
6. Step 6: Final answer
   x = 4,307,829.12