Finding the Third Proportional to 408,046,042 and 885,370,404

Step by Step Solution

1. Step 1: Write the proportion equation
   408,046,042 : 885,370,404 = 885,370,404 : x
2. Step 2: Convert to fraction form
   408,046,042/885,370,404 = 885,370,404/x
3. Step 3: Cross multiply
   408,046,042x = 885,370,404 × 885,370,404
4. Step 4: Simplify right side
   408,046,042x = 783,880,752,279,123,200
5. Step 5: Solve for x
   x = 783,880,752,279,123,200/408,046,042
6. Step 6: Final answer
   x = 1,921,059,565.82