Finding the Third Proportional to 5,865,910 and 8,588,865

Step by Step Solution

1. Step 1: Write the proportion equation
   5,865,910 : 8,588,865 = 8,588,865 : x
2. Step 2: Convert to fraction form
   5,865,910/8,588,865 = 8,588,865/x
3. Step 3: Cross multiply
   5,865,910x = 8,588,865 × 8,588,865
4. Step 4: Simplify right side
   5,865,910x = 73,768,601,988,225
5. Step 5: Solve for x
   x = 73,768,601,988,225/5,865,910
6. Step 6: Final answer
   x = 12,575,815.52