Finding the Third Proportional to 5,137,848 and 8,000,856

Step by Step Solution

1. Step 1: Write the proportion equation
   5,137,848 : 8,000,856 = 8,000,856 : x
2. Step 2: Convert to fraction form
   5,137,848/8,000,856 = 8,000,856/x
3. Step 3: Cross multiply
   5,137,848x = 8,000,856 × 8,000,856
4. Step 4: Simplify right side
   5,137,848x = 64,013,696,732,736
5. Step 5: Solve for x
   x = 64,013,696,732,736/5,137,848
6. Step 6: Final answer
   x = 12,459,243.00