Finding the Third Proportional to 7,867,126 and 12,150,068

Step by Step Solution

1. Step 1: Write the proportion equation
   7,867,126 : 12,150,068 = 12,150,068 : x
2. Step 2: Convert to fraction form
   7,867,126/12,150,068 = 12,150,068/x
3. Step 3: Cross multiply
   7,867,126x = 12,150,068 × 12,150,068
4. Step 4: Simplify right side
   7,867,126x = 147,624,152,404,624
5. Step 5: Solve for x
   x = 147,624,152,404,624/7,867,126
6. Step 6: Final answer
   x = 18,764,686.42