Finding the Third Proportional to 17,644,128 and 38,219,488

Step by Step Solution

1. Step 1: Write the proportion equation
   17,644,128 : 38,219,488 = 38,219,488 : x
2. Step 2: Convert to fraction form
   17,644,128/38,219,488 = 38,219,488/x
3. Step 3: Cross multiply
   17,644,128x = 38,219,488 × 38,219,488
4. Step 4: Simplify right side
   17,644,128x = 1,460,729,262,982,144
5. Step 5: Solve for x
   x = 1,460,729,262,982,144/17,644,128
6. Step 6: Final answer
   x = 82,788,407.73