Finding the Third Proportional to 7,200,525 and 10,128,442.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,200,525 : 10,128,442.50 = 10,128,442.50 : x
2. Step 2: Convert to fraction form
   7,200,525/10,128,442.50 = 10,128,442.50/x
3. Step 3: Cross multiply
   7,200,525x = 10,128,442.50 × 10,128,442.50
4. Step 4: Simplify right side
   7,200,525x = 102,585,347,475,806.25
5. Step 5: Solve for x
   x = 102,585,347,475,806.25/7,200,525
6. Step 6: Final answer
   x = 14,246,926.09