Finding the Third Proportional to 4,869,908 and 7,710,966

Step by Step Solution

1. Step 1: Write the proportion equation
   4,869,908 : 7,710,966 = 7,710,966 : x
2. Step 2: Convert to fraction form
   4,869,908/7,710,966 = 7,710,966/x
3. Step 3: Cross multiply
   4,869,908x = 7,710,966 × 7,710,966
4. Step 4: Simplify right side
   4,869,908x = 59,458,996,653,156
5. Step 5: Solve for x
   x = 59,458,996,653,156/4,869,908
6. Step 6: Final answer
   x = 12,209,470.21