Finding the Third Proportional to 31,211,146 and 67,024,180

Step by Step Solution

1. Step 1: Write the proportion equation
   31,211,146 : 67,024,180 = 67,024,180 : x
2. Step 2: Convert to fraction form
   31,211,146/67,024,180 = 67,024,180/x
3. Step 3: Cross multiply
   31,211,146x = 67,024,180 × 67,024,180
4. Step 4: Simplify right side
   31,211,146x = 4,492,240,704,672,400
5. Step 5: Solve for x
   x = 4,492,240,704,672,400/31,211,146
6. Step 6: Final answer
   x = 143,930,655.56