Finding the Third Proportional to 67,257,775 and 139,883,404.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,257,775 : 139,883,404.50 = 139,883,404.50 : x
2. Step 2: Convert to fraction form
   67,257,775/139,883,404.50 = 139,883,404.50/x
3. Step 3: Cross multiply
   67,257,775x = 139,883,404.50 × 139,883,404.50
4. Step 4: Simplify right side
   67,257,775x = 19,567,366,854,510,620
5. Step 5: Solve for x
   x = 19,567,366,854,510,620/67,257,775
6. Step 6: Final answer
   x = 290,930,927.38