Finding the Third Proportional to 3,979,263 and 8,526,336

Step by Step Solution

1. Step 1: Write the proportion equation
   3,979,263 : 8,526,336 = 8,526,336 : x
2. Step 2: Convert to fraction form
   3,979,263/8,526,336 = 8,526,336/x
3. Step 3: Cross multiply
   3,979,263x = 8,526,336 × 8,526,336
4. Step 4: Simplify right side
   3,979,263x = 72,698,405,584,896
5. Step 5: Solve for x
   x = 72,698,405,584,896/3,979,263
6. Step 6: Final answer
   x = 18,269,314.09