Finding the Third Proportional to 68,200,138 and 146,103,956

Step by Step Solution

1. Step 1: Write the proportion equation
   68,200,138 : 146,103,956 = 146,103,956 : x
2. Step 2: Convert to fraction form
   68,200,138/146,103,956 = 146,103,956/x
3. Step 3: Cross multiply
   68,200,138x = 146,103,956 × 146,103,956
4. Step 4: Simplify right side
   68,200,138x = 21,346,365,958,849,936
5. Step 5: Solve for x
   x = 21,346,365,958,849,936/68,200,138
6. Step 6: Final answer
   x = 312,995,934.98