Finding the Third Proportional to 4,173,194 and 9,143,428

Step by Step Solution

1. Step 1: Write the proportion equation
   4,173,194 : 9,143,428 = 9,143,428 : x
2. Step 2: Convert to fraction form
   4,173,194/9,143,428 = 9,143,428/x
3. Step 3: Cross multiply
   4,173,194x = 9,143,428 × 9,143,428
4. Step 4: Simplify right side
   4,173,194x = 83,602,275,591,184
5. Step 5: Solve for x
   x = 83,602,275,591,184/4,173,194
6. Step 6: Final answer
   x = 20,033,162.99