Finding the Third Proportional to 1,897,177 and 4,478,397

Step by Step Solution

1. Step 1: Write the proportion equation
   1,897,177 : 4,478,397 = 4,478,397 : x
2. Step 2: Convert to fraction form
   1,897,177/4,478,397 = 4,478,397/x
3. Step 3: Cross multiply
   1,897,177x = 4,478,397 × 4,478,397
4. Step 4: Simplify right side
   1,897,177x = 20,056,039,689,609
5. Step 5: Solve for x
   x = 20,056,039,689,609/1,897,177
6. Step 6: Final answer
   x = 10,571,517.41