Finding the Third Proportional to 7,766,205 and 12,156,340.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,766,205 : 12,156,340.50 = 12,156,340.50 : x
2. Step 2: Convert to fraction form
   7,766,205/12,156,340.50 = 12,156,340.50/x
3. Step 3: Cross multiply
   7,766,205x = 12,156,340.50 × 12,156,340.50
4. Step 4: Simplify right side
   7,766,205x = 147,776,614,351,940.25
5. Step 5: Solve for x
   x = 147,776,614,351,940.25/7,766,205
6. Step 6: Final answer
   x = 19,028,162.96