Finding the Third Proportional to 8,193,916 and 17,643,128

Step by Step Solution

1. Step 1: Write the proportion equation
   8,193,916 : 17,643,128 = 17,643,128 : x
2. Step 2: Convert to fraction form
   8,193,916/17,643,128 = 17,643,128/x
3. Step 3: Cross multiply
   8,193,916x = 17,643,128 × 17,643,128
4. Step 4: Simplify right side
   8,193,916x = 311,279,965,624,384
5. Step 5: Solve for x
   x = 311,279,965,624,384/8,193,916
6. Step 6: Final answer
   x = 37,989,157.52