Finding the Third Proportional to 8,898,657,453 and 12,118,452,556

Step by Step Solution

1. Step 1: Write the proportion equation
   8,898,657,453 : 12,118,452,556 = 12,118,452,556 : x
2. Step 2: Convert to fraction form
   8,898,657,453/12,118,452,556 = 12,118,452,556/x
3. Step 3: Cross multiply
   8,898,657,453x = 12,118,452,556 × 12,118,452,556
4. Step 4: Simplify right side
   8,898,657,453x = 146,856,892,352,022,937,600
5. Step 5: Solve for x
   x = 146,856,892,352,022,937,600/8,898,657,453
6. Step 6: Final answer
   x = 16,503,263,905.56