Finding the Third Proportional to 17,642,555 and 37,988,424

Step by Step Solution

1. Step 1: Write the proportion equation
   17,642,555 : 37,988,424 = 37,988,424 : x
2. Step 2: Convert to fraction form
   17,642,555/37,988,424 = 37,988,424/x
3. Step 3: Cross multiply
   17,642,555x = 37,988,424 × 37,988,424
4. Step 4: Simplify right side
   17,642,555x = 1,443,120,358,003,776
5. Step 5: Solve for x
   x = 1,443,120,358,003,776/17,642,555
6. Step 6: Final answer
   x = 81,797,696.42