Finding the Third Proportional to 5,815,998 and 12,787,060

Step by Step Solution

1. Step 1: Write the proportion equation
   5,815,998 : 12,787,060 = 12,787,060 : x
2. Step 2: Convert to fraction form
   5,815,998/12,787,060 = 12,787,060/x
3. Step 3: Cross multiply
   5,815,998x = 12,787,060 × 12,787,060
4. Step 4: Simplify right side
   5,815,998x = 163,508,903,443,600
5. Step 5: Solve for x
   x = 163,508,903,443,600/5,815,998
6. Step 6: Final answer
   x = 28,113,645.06