Finding the Third Proportional to 5,210,205 and 7,869,750

Step by Step Solution

1. Step 1: Write the proportion equation
   5,210,205 : 7,869,750 = 7,869,750 : x
2. Step 2: Convert to fraction form
   5,210,205/7,869,750 = 7,869,750/x
3. Step 3: Cross multiply
   5,210,205x = 7,869,750 × 7,869,750
4. Step 4: Simplify right side
   5,210,205x = 61,932,965,062,500
5. Step 5: Solve for x
   x = 61,932,965,062,500/5,210,205
6. Step 6: Final answer
   x = 11,886,857.63