Finding the Third Proportional to 3,938,834 and 8,549,901

Step by Step Solution

1. Step 1: Write the proportion equation
   3,938,834 : 8,549,901 = 8,549,901 : x
2. Step 2: Convert to fraction form
   3,938,834/8,549,901 = 8,549,901/x
3. Step 3: Cross multiply
   3,938,834x = 8,549,901 × 8,549,901
4. Step 4: Simplify right side
   3,938,834x = 73,100,807,109,801
5. Step 5: Solve for x
   x = 73,100,807,109,801/3,938,834
6. Step 6: Final answer
   x = 18,558,996.68