Finding the Third Proportional to 17,992,413 and 39,179,466

Step by Step Solution

1. Step 1: Write the proportion equation
   17,992,413 : 39,179,466 = 39,179,466 : x
2. Step 2: Convert to fraction form
   17,992,413/39,179,466 = 39,179,466/x
3. Step 3: Cross multiply
   17,992,413x = 39,179,466 × 39,179,466
4. Step 4: Simplify right side
   17,992,413x = 1,535,030,556,045,156
5. Step 5: Solve for x
   x = 1,535,030,556,045,156/17,992,413
6. Step 6: Final answer
   x = 85,315,435.79