Finding the Third Proportional to 31,038,008 and 73,165,200

Step by Step Solution

1. Step 1: Write the proportion equation
   31,038,008 : 73,165,200 = 73,165,200 : x
2. Step 2: Convert to fraction form
   31,038,008/73,165,200 = 73,165,200/x
3. Step 3: Cross multiply
   31,038,008x = 73,165,200 × 73,165,200
4. Step 4: Simplify right side
   31,038,008x = 5,353,146,491,040,000
5. Step 5: Solve for x
   x = 5,353,146,491,040,000/31,038,008
6. Step 6: Final answer
   x = 172,470,684.69