Finding the Third Proportional to 143,509,248 and 306,152,640

Step by Step Solution

1. Step 1: Write the proportion equation
   143,509,248 : 306,152,640 = 306,152,640 : x
2. Step 2: Convert to fraction form
   143,509,248/306,152,640 = 306,152,640/x
3. Step 3: Cross multiply
   143,509,248x = 306,152,640 × 306,152,640
4. Step 4: Simplify right side
   143,509,248x = 93,729,438,978,969,600
5. Step 5: Solve for x
   x = 93,729,438,978,969,600/143,509,248
6. Step 6: Final answer
   x = 653,124,730.88