Finding the Third Proportional to 1,868,580 and 4,098,888

Step by Step Solution

1. Step 1: Write the proportion equation
   1,868,580 : 4,098,888 = 4,098,888 : x
2. Step 2: Convert to fraction form
   1,868,580/4,098,888 = 4,098,888/x
3. Step 3: Cross multiply
   1,868,580x = 4,098,888 × 4,098,888
4. Step 4: Simplify right side
   1,868,580x = 16,800,882,836,544
5. Step 5: Solve for x
   x = 16,800,882,836,544/1,868,580
6. Step 6: Final answer
   x = 8,991,256.91