Finding the Third Proportional to 8,898,657,444 and 12,118,452,543

Step by Step Solution

1. Step 1: Write the proportion equation
   8,898,657,444 : 12,118,452,543 = 12,118,452,543 : x
2. Step 2: Convert to fraction form
   8,898,657,444/12,118,452,543 = 12,118,452,543/x
3. Step 3: Cross multiply
   8,898,657,444x = 12,118,452,543 × 12,118,452,543
4. Step 4: Simplify right side
   8,898,657,444x = 146,856,892,036,943,167,488
5. Step 5: Solve for x
   x = 146,856,892,036,943,167,488/8,898,657,444
6. Step 6: Final answer
   x = 16,503,263,886.84