Finding the Third Proportional to 8,898,657,457 and 12,118,452,562

Step by Step Solution

1. Step 1: Write the proportion equation
   8,898,657,457 : 12,118,452,562 = 12,118,452,562 : x
2. Step 2: Convert to fraction form
   8,898,657,457/12,118,452,562 = 12,118,452,562/x
3. Step 3: Cross multiply
   8,898,657,457x = 12,118,452,562 × 12,118,452,562
4. Step 4: Simplify right side
   8,898,657,457x = 146,856,892,497,444,356,096
5. Step 5: Solve for x
   x = 146,856,892,497,444,356,096/8,898,657,457
6. Step 6: Final answer
   x = 16,503,263,914.48