Finding the Third Proportional to 8,898,657,446 and 12,118,452,546

Step by Step Solution

1. Step 1: Write the proportion equation
   8,898,657,446 : 12,118,452,546 = 12,118,452,546 : x
2. Step 2: Convert to fraction form
   8,898,657,446/12,118,452,546 = 12,118,452,546/x
3. Step 3: Cross multiply
   8,898,657,446x = 12,118,452,546 × 12,118,452,546
4. Step 4: Simplify right side
   8,898,657,446x = 146,856,892,109,653,884,928
5. Step 5: Solve for x
   x = 146,856,892,109,653,884,928/8,898,657,446
6. Step 6: Final answer
   x = 16,503,263,891.30