Finding the Third Proportional to 7,953,139.50 and 12,160,818

Step by Step Solution

1. Step 1: Write the proportion equation
   7,953,139.50 : 12,160,818 = 12,160,818 : x
2. Step 2: Convert to fraction form
   7,953,139.50/12,160,818 = 12,160,818/x
3. Step 3: Cross multiply
   7,953,139.50x = 12,160,818 × 12,160,818
4. Step 4: Simplify right side
   7,953,139.50x = 147,885,494,429,124
5. Step 5: Solve for x
   x = 147,885,494,429,124/7,953,139.50
6. Step 6: Final answer
   x = 18,594,605.87