Finding the Third Proportional to 17,992,426 and 39,179,492

Step by Step Solution

1. Step 1: Write the proportion equation
   17,992,426 : 39,179,492 = 39,179,492 : x
2. Step 2: Convert to fraction form
   17,992,426/39,179,492 = 39,179,492/x
3. Step 3: Cross multiply
   17,992,426x = 39,179,492 × 39,179,492
4. Step 4: Simplify right side
   17,992,426x = 1,535,032,593,378,064
5. Step 5: Solve for x
   x = 1,535,032,593,378,064/17,992,426
6. Step 6: Final answer
   x = 85,315,487.38