Finding the Third Proportional to 143,047,648 and 308,963,656

Step by Step Solution

1. Step 1: Write the proportion equation
   143,047,648 : 308,963,656 = 308,963,656 : x
2. Step 2: Convert to fraction form
   143,047,648/308,963,656 = 308,963,656/x
3. Step 3: Cross multiply
   143,047,648x = 308,963,656 × 308,963,656
4. Step 4: Simplify right side
   143,047,648x = 95,458,540,728,886,336
5. Step 5: Solve for x
   x = 95,458,540,728,886,336/143,047,648
6. Step 6: Final answer
   x = 667,319,890.01