Finding the Third Proportional to 3,979,692 and 8,527,140

Step by Step Solution

1. Step 1: Write the proportion equation
   3,979,692 : 8,527,140 = 8,527,140 : x
2. Step 2: Convert to fraction form
   3,979,692/8,527,140 = 8,527,140/x
3. Step 3: Cross multiply
   3,979,692x = 8,527,140 × 8,527,140
4. Step 4: Simplify right side
   3,979,692x = 72,712,116,579,600
5. Step 5: Solve for x
   x = 72,712,116,579,600/3,979,692
6. Step 6: Final answer
   x = 18,270,789.95