Finding the Third Proportional to 3,945,195.75 and 8,499,835.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,945,195.75 : 8,499,835.50 = 8,499,835.50 : x
2. Step 2: Convert to fraction form
   3,945,195.75/8,499,835.50 = 8,499,835.50/x
3. Step 3: Cross multiply
   3,945,195.75x = 8,499,835.50 × 8,499,835.50
4. Step 4: Simplify right side
   3,945,195.75x = 72,247,203,527,060.25
5. Step 5: Solve for x
   x = 72,247,203,527,060.25/3,945,195.75
6. Step 6: Final answer
   x = 18,312,704.39