Finding the Third Proportional to 1,443,200 and 3,117,655

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443,200 : 3,117,655 = 3,117,655 : x
2. Step 2: Convert to fraction form
   1,443,200/3,117,655 = 3,117,655/x
3. Step 3: Cross multiply
   1,443,200x = 3,117,655 × 3,117,655
4. Step 4: Simplify right side
   1,443,200x = 9,719,772,699,025
5. Step 5: Solve for x
   x = 9,719,772,699,025/1,443,200
6. Step 6: Final answer
   x = 6,734,875.76