Finding the Third Proportional to 5,185,790 and 7,850,229

Step by Step Solution

1. Step 1: Write the proportion equation
   5,185,790 : 7,850,229 = 7,850,229 : x
2. Step 2: Convert to fraction form
   5,185,790/7,850,229 = 7,850,229/x
3. Step 3: Cross multiply
   5,185,790x = 7,850,229 × 7,850,229
4. Step 4: Simplify right side
   5,185,790x = 61,626,095,352,441
5. Step 5: Solve for x
   x = 61,626,095,352,441/5,185,790
6. Step 6: Final answer
   x = 11,883,646.53