Finding the Third Proportional to 143,317,768 and 216,164,436

Step by Step Solution

1. Step 1: Write the proportion equation
   143,317,768 : 216,164,436 = 216,164,436 : x
2. Step 2: Convert to fraction form
   143,317,768/216,164,436 = 216,164,436/x
3. Step 3: Cross multiply
   143,317,768x = 216,164,436 × 216,164,436
4. Step 4: Simplify right side
   143,317,768x = 46,727,063,391,198,096
5. Step 5: Solve for x
   x = 46,727,063,391,198,096/143,317,768
6. Step 6: Final answer
   x = 326,038,174.07