Finding the Third Proportional to 3,894,264 and 8,535,813

Step by Step Solution

1. Step 1: Write the proportion equation
   3,894,264 : 8,535,813 = 8,535,813 : x
2. Step 2: Convert to fraction form
   3,894,264/8,535,813 = 8,535,813/x
3. Step 3: Cross multiply
   3,894,264x = 8,535,813 × 8,535,813
4. Step 4: Simplify right side
   3,894,264x = 72,860,103,570,969
5. Step 5: Solve for x
   x = 72,860,103,570,969/3,894,264
6. Step 6: Final answer
   x = 18,709,595.34