Finding the Third Proportional to 8,263,488 and 12,078,108

Step by Step Solution

1. Step 1: Write the proportion equation
   8,263,488 : 12,078,108 = 12,078,108 : x
2. Step 2: Convert to fraction form
   8,263,488/12,078,108 = 12,078,108/x
3. Step 3: Cross multiply
   8,263,488x = 12,078,108 × 12,078,108
4. Step 4: Simplify right side
   8,263,488x = 145,880,692,859,664
5. Step 5: Solve for x
   x = 145,880,692,859,664/8,263,488
6. Step 6: Final answer
   x = 17,653,646.12