Finding the Third Proportional to 5,980,863 and 12,744,654

Step by Step Solution

1. Step 1: Write the proportion equation
   5,980,863 : 12,744,654 = 12,744,654 : x
2. Step 2: Convert to fraction form
   5,980,863/12,744,654 = 12,744,654/x
3. Step 3: Cross multiply
   5,980,863x = 12,744,654 × 12,744,654
4. Step 4: Simplify right side
   5,980,863x = 162,426,205,579,716
5. Step 5: Solve for x
   x = 162,426,205,579,716/5,980,863
6. Step 6: Final answer
   x = 27,157,653.60