Finding the Third Proportional to 7,766,043 and 12,156,084

Step by Step Solution

1. Step 1: Write the proportion equation
   7,766,043 : 12,156,084 = 12,156,084 : x
2. Step 2: Convert to fraction form
   7,766,043/12,156,084 = 12,156,084/x
3. Step 3: Cross multiply
   7,766,043x = 12,156,084 × 12,156,084
4. Step 4: Simplify right side
   7,766,043x = 147,770,378,215,056
5. Step 5: Solve for x
   x = 147,770,378,215,056/7,766,043
6. Step 6: Final answer
   x = 19,027,756.89