Finding the Third Proportional to 4,868,672 and 7,578,582

Step by Step Solution

1. Step 1: Write the proportion equation
   4,868,672 : 7,578,582 = 7,578,582 : x
2. Step 2: Convert to fraction form
   4,868,672/7,578,582 = 7,578,582/x
3. Step 3: Cross multiply
   4,868,672x = 7,578,582 × 7,578,582
4. Step 4: Simplify right side
   4,868,672x = 57,434,905,130,724
5. Step 5: Solve for x
   x = 57,434,905,130,724/4,868,672
6. Step 6: Final answer
   x = 11,796,831.89