Finding the Third Proportional to 644,614,234 and 1,381,123,160

Step by Step Solution

1. Step 1: Write the proportion equation
   644,614,234 : 1,381,123,160 = 1,381,123,160 : x
2. Step 2: Convert to fraction form
   644,614,234/1,381,123,160 = 1,381,123,160/x
3. Step 3: Cross multiply
   644,614,234x = 1,381,123,160 × 1,381,123,160
4. Step 4: Simplify right side
   644,614,234x = 1,907,501,183,088,385,536
5. Step 5: Solve for x
   x = 1,907,501,183,088,385,536/644,614,234
6. Step 6: Final answer
   x = 2,959,135,995.57