Finding the Third Proportional to 132,668,256 and 287,067,516

Step by Step Solution

1. Step 1: Write the proportion equation
   132,668,256 : 287,067,516 = 287,067,516 : x
2. Step 2: Convert to fraction form
   132,668,256/287,067,516 = 287,067,516/x
3. Step 3: Cross multiply
   132,668,256x = 287,067,516 × 287,067,516
4. Step 4: Simplify right side
   132,668,256x = 82,407,758,742,410,256
5. Step 5: Solve for x
   x = 82,407,758,742,410,256/132,668,256
6. Step 6: Final answer
   x = 621,156,569.23