Finding the Third Proportional to 192,499,640 and 400,862,224

Step by Step Solution

1. Step 1: Write the proportion equation
   192,499,640 : 400,862,224 = 400,862,224 : x
2. Step 2: Convert to fraction form
   192,499,640/400,862,224 = 400,862,224/x
3. Step 3: Cross multiply
   192,499,640x = 400,862,224 × 400,862,224
4. Step 4: Simplify right side
   192,499,640x = 160,690,522,630,226,176
5. Step 5: Solve for x
   x = 160,690,522,630,226,176/192,499,640
6. Step 6: Final answer
   x = 834,757,522.82