Finding the Third Proportional to 28,490,992 and 67,189,096

Step by Step Solution

1. Step 1: Write the proportion equation
   28,490,992 : 67,189,096 = 67,189,096 : x
2. Step 2: Convert to fraction form
   28,490,992/67,189,096 = 67,189,096/x
3. Step 3: Cross multiply
   28,490,992x = 67,189,096 × 67,189,096
4. Step 4: Simplify right side
   28,490,992x = 4,514,374,621,297,216
5. Step 5: Solve for x
   x = 4,514,374,621,297,216/28,490,992
6. Step 6: Final answer
   x = 158,449,190.58