Finding the Third Proportional to 7,200,529 and 10,128,448

Step by Step Solution

1. Step 1: Write the proportion equation
   7,200,529 : 10,128,448 = 10,128,448 : x
2. Step 2: Convert to fraction form
   7,200,529/10,128,448 = 10,128,448/x
3. Step 3: Cross multiply
   7,200,529x = 10,128,448 × 10,128,448
4. Step 4: Simplify right side
   7,200,529x = 102,585,458,888,704
5. Step 5: Solve for x
   x = 102,585,458,888,704/7,200,529
6. Step 6: Final answer
   x = 14,246,933.65