Finding the Third Proportional to 7,867,090 and 12,150,008

Step by Step Solution

1. Step 1: Write the proportion equation
   7,867,090 : 12,150,008 = 12,150,008 : x
2. Step 2: Convert to fraction form
   7,867,090/12,150,008 = 12,150,008/x
3. Step 3: Cross multiply
   7,867,090x = 12,150,008 × 12,150,008
4. Step 4: Simplify right side
   7,867,090x = 147,622,694,400,064
5. Step 5: Solve for x
   x = 147,622,694,400,064/7,867,090
6. Step 6: Final answer
   x = 18,764,586.96