Finding the Third Proportional to 644,614,230 and 1,381,123,152

Step by Step Solution

1. Step 1: Write the proportion equation
   644,614,230 : 1,381,123,152 = 1,381,123,152 : x
2. Step 2: Convert to fraction form
   644,614,230/1,381,123,152 = 1,381,123,152/x
3. Step 3: Cross multiply
   644,614,230x = 1,381,123,152 × 1,381,123,152
4. Step 4: Simplify right side
   644,614,230x = 1,907,501,160,990,415,104
5. Step 5: Solve for x
   x = 1,907,501,160,990,415,104/644,614,230
6. Step 6: Final answer
   x = 2,959,135,979.65