Finding the Third Proportional to 69,081,826.50 and 143,054,757

Step by Step Solution

1. Step 1: Write the proportion equation
   69,081,826.50 : 143,054,757 = 143,054,757 : x
2. Step 2: Convert to fraction form
   69,081,826.50/143,054,757 = 143,054,757/x
3. Step 3: Cross multiply
   69,081,826.50x = 143,054,757 × 143,054,757
4. Step 4: Simplify right side
   69,081,826.50x = 20,464,663,500,329,048
5. Step 5: Solve for x
   x = 20,464,663,500,329,048/69,081,826.50
6. Step 6: Final answer
   x = 296,238,020.00