Finding the Third Proportional to 637,342,768.50 and 1,371,540,643.50

Step by Step Solution

1. Step 1: Write the proportion equation
   637,342,768.50 : 1,371,540,643.50 = 1,371,540,643.50 : x
2. Step 2: Convert to fraction form
   637,342,768.50/1,371,540,643.50 = 1,371,540,643.50/x
3. Step 3: Cross multiply
   637,342,768.50x = 1,371,540,643.50 × 1,371,540,643.50
4. Step 4: Simplify right side
   637,342,768.50x = 1,881,123,736,772,393,984
5. Step 5: Solve for x
   x = 1,881,123,736,772,393,984/637,342,768.50
6. Step 6: Final answer
   x = 2,951,510,285.74