Finding the Third Proportional to 4,193,090 and 9,171,322

Step by Step Solution

1. Step 1: Write the proportion equation
   4,193,090 : 9,171,322 = 9,171,322 : x
2. Step 2: Convert to fraction form
   4,193,090/9,171,322 = 9,171,322/x
3. Step 3: Cross multiply
   4,193,090x = 9,171,322 × 9,171,322
4. Step 4: Simplify right side
   4,193,090x = 84,113,147,227,684
5. Step 5: Solve for x
   x = 84,113,147,227,684/4,193,090
6. Step 6: Final answer
   x = 20,059,943.20