Finding the Third Proportional to 4,648,189.50 and 7,105,443.75

Step by Step Solution

1. Step 1: Write the proportion equation
   4,648,189.50 : 7,105,443.75 = 7,105,443.75 : x
2. Step 2: Convert to fraction form
   4,648,189.50/7,105,443.75 = 7,105,443.75/x
3. Step 3: Cross multiply
   4,648,189.50x = 7,105,443.75 × 7,105,443.75
4. Step 4: Simplify right side
   4,648,189.50x = 50,487,330,884,414.06
5. Step 5: Solve for x
   x = 50,487,330,884,414.06/4,648,189.50
6. Step 6: Final answer
   x = 10,861,719.58