Finding the Third Proportional to 333,790,111.50 and 677,013,267

Step by Step Solution

1. Step 1: Write the proportion equation
   333,790,111.50 : 677,013,267 = 677,013,267 : x
2. Step 2: Convert to fraction form
   333,790,111.50/677,013,267 = 677,013,267/x
3. Step 3: Cross multiply
   333,790,111.50x = 677,013,267 × 677,013,267
4. Step 4: Simplify right side
   333,790,111.50x = 458,346,963,694,013,312
5. Step 5: Solve for x
   x = 458,346,963,694,013,312/333,790,111.50
6. Step 6: Final answer
   x = 1,373,159,203.65