Finding the Third Proportional to 69,081,542 and 143,054,188

Step by Step Solution

1. Step 1: Write the proportion equation
   69,081,542 : 143,054,188 = 143,054,188 : x
2. Step 2: Convert to fraction form
   69,081,542/143,054,188 = 143,054,188/x
3. Step 3: Cross multiply
   69,081,542x = 143,054,188 × 143,054,188
4. Step 4: Simplify right side
   69,081,542x = 20,464,500,704,339,344
5. Step 5: Solve for x
   x = 20,464,500,704,339,344/69,081,542
6. Step 6: Final answer
   x = 296,236,883.43