Finding the Third Proportional to 5,636,689 and 12,350,673

Step by Step Solution

1. Step 1: Write the proportion equation
   5,636,689 : 12,350,673 = 12,350,673 : x
2. Step 2: Convert to fraction form
   5,636,689/12,350,673 = 12,350,673/x
3. Step 3: Cross multiply
   5,636,689x = 12,350,673 × 12,350,673
4. Step 4: Simplify right side
   5,636,689x = 152,539,123,552,929
5. Step 5: Solve for x
   x = 152,539,123,552,929/5,636,689
6. Step 6: Final answer
   x = 27,061,830.72