Finding the Third Proportional to 4,869,904 and 7,710,960

Step by Step Solution

1. Step 1: Write the proportion equation
   4,869,904 : 7,710,960 = 7,710,960 : x
2. Step 2: Convert to fraction form
   4,869,904/7,710,960 = 7,710,960/x
3. Step 3: Cross multiply
   4,869,904x = 7,710,960 × 7,710,960
4. Step 4: Simplify right side
   4,869,904x = 59,458,904,121,600
5. Step 5: Solve for x
   x = 59,458,904,121,600/4,869,904
6. Step 6: Final answer
   x = 12,209,461.24