Finding the Third Proportional to 918,160 and 1,988,784

Step by Step Solution

1. Step 1: Write the proportion equation
   918,160 : 1,988,784 = 1,988,784 : x
2. Step 2: Convert to fraction form
   918,160/1,988,784 = 1,988,784/x
3. Step 3: Cross multiply
   918,160x = 1,988,784 × 1,988,784
4. Step 4: Simplify right side
   918,160x = 3,955,261,798,656
5. Step 5: Solve for x
   x = 3,955,261,798,656/918,160
6. Step 6: Final answer
   x = 4,307,813.23