Finding the Third Proportional to 4,629,697.50 and 10,155,831

Step by Step Solution

1. Step 1: Write the proportion equation
   4,629,697.50 : 10,155,831 = 10,155,831 : x
2. Step 2: Convert to fraction form
   4,629,697.50/10,155,831 = 10,155,831/x
3. Step 3: Cross multiply
   4,629,697.50x = 10,155,831 × 10,155,831
4. Step 4: Simplify right side
   4,629,697.50x = 103,140,903,300,561
5. Step 5: Solve for x
   x = 103,140,903,300,561/4,629,697.50
6. Step 6: Final answer
   x = 22,278,108.52