Finding the Third Proportional to 146,219,581.69 and 321,138,435.38

Step by Step Solution

1. Step 1: Write the proportion equation
   146,219,581.69 : 321,138,435.38 = 321,138,435.38 : x
2. Step 2: Convert to fraction form
   146,219,581.69/321,138,435.38 = 321,138,435.38/x
3. Step 3: Cross multiply
   146,219,581.69x = 321,138,435.38 × 321,138,435.38
4. Step 4: Simplify right side
   146,219,581.69x = 103,129,894,675,103,056
5. Step 5: Solve for x
   x = 103,129,894,675,103,056/146,219,581.69
6. Step 6: Final answer
   x = 705,308,368.99