Finding the Third Proportional to 17,644,135.50 and 38,219,499

Step by Step Solution

1. Step 1: Write the proportion equation
   17,644,135.50 : 38,219,499 = 38,219,499 : x
2. Step 2: Convert to fraction form
   17,644,135.50/38,219,499 = 38,219,499/x
3. Step 3: Cross multiply
   17,644,135.50x = 38,219,499 × 38,219,499
4. Step 4: Simplify right side
   17,644,135.50x = 1,460,730,103,811,001
5. Step 5: Solve for x
   x = 1,460,730,103,811,001/17,644,135.50
6. Step 6: Final answer
   x = 82,788,420.20