Finding the Third Proportional to 3,979,532 and 8,526,773

Step by Step Solution

1. Step 1: Write the proportion equation
   3,979,532 : 8,526,773 = 8,526,773 : x
2. Step 2: Convert to fraction form
   3,979,532/8,526,773 = 8,526,773/x
3. Step 3: Cross multiply
   3,979,532x = 8,526,773 × 8,526,773
4. Step 4: Simplify right side
   3,979,532x = 72,705,857,793,529
5. Step 5: Solve for x
   x = 72,705,857,793,529/3,979,532
6. Step 6: Final answer
   x = 18,269,951.79