Finding the Third Proportional to 3,946,081.50 and 8,479,585.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,946,081.50 : 8,479,585.50 = 8,479,585.50 : x
2. Step 2: Convert to fraction form
   3,946,081.50/8,479,585.50 = 8,479,585.50/x
3. Step 3: Cross multiply
   3,946,081.50x = 8,479,585.50 × 8,479,585.50
4. Step 4: Simplify right side
   3,946,081.50x = 71,903,370,251,810.25
5. Step 5: Solve for x
   x = 71,903,370,251,810.25/3,946,081.50
6. Step 6: Final answer
   x = 18,221,461.02