Finding the Third Proportional to 17,992,410 and 39,179,460

Step by Step Solution

1. Step 1: Write the proportion equation
   17,992,410 : 39,179,460 = 39,179,460 : x
2. Step 2: Convert to fraction form
   17,992,410/39,179,460 = 39,179,460/x
3. Step 3: Cross multiply
   17,992,410x = 39,179,460 × 39,179,460
4. Step 4: Simplify right side
   17,992,410x = 1,535,030,085,891,600
5. Step 5: Solve for x
   x = 1,535,030,085,891,600/17,992,410
6. Step 6: Final answer
   x = 85,315,423.89