Finding the Third Proportional to 4,978,662 and 10,862,113.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,978,662 : 10,862,113.50 = 10,862,113.50 : x
2. Step 2: Convert to fraction form
   4,978,662/10,862,113.50 = 10,862,113.50/x
3. Step 3: Cross multiply
   4,978,662x = 10,862,113.50 × 10,862,113.50
4. Step 4: Simplify right side
   4,978,662x = 117,985,509,686,882.25
5. Step 5: Solve for x
   x = 117,985,509,686,882.25/4,978,662
6. Step 6: Final answer
   x = 23,698,236.53