Finding the Third Proportional to 67,086,004 and 143,739,404

Step by Step Solution

1. Step 1: Write the proportion equation
   67,086,004 : 143,739,404 = 143,739,404 : x
2. Step 2: Convert to fraction form
   67,086,004/143,739,404 = 143,739,404/x
3. Step 3: Cross multiply
   67,086,004x = 143,739,404 × 143,739,404
4. Step 4: Simplify right side
   67,086,004x = 20,661,016,262,275,216
5. Step 5: Solve for x
   x = 20,661,016,262,275,216/67,086,004
6. Step 6: Final answer
   x = 307,978,043.56