Finding the Third Proportional to 28,450,244 and 67,138,155

Step by Step Solution

1. Step 1: Write the proportion equation
   28,450,244 : 67,138,155 = 67,138,155 : x
2. Step 2: Convert to fraction form
   28,450,244/67,138,155 = 67,138,155/x
3. Step 3: Cross multiply
   28,450,244x = 67,138,155 × 67,138,155
4. Step 4: Simplify right side
   28,450,244x = 4,507,531,856,804,025
5. Step 5: Solve for x
   x = 4,507,531,856,804,025/28,450,244
6. Step 6: Final answer
   x = 158,435,613.30