Finding the Third Proportional to 17,642,394 and 37,988,103

Step by Step Solution

1. Step 1: Write the proportion equation
   17,642,394 : 37,988,103 = 37,988,103 : x
2. Step 2: Convert to fraction form
   17,642,394/37,988,103 = 37,988,103/x
3. Step 3: Cross multiply
   17,642,394x = 37,988,103 × 37,988,103
4. Step 4: Simplify right side
   17,642,394x = 1,443,095,969,538,609
5. Step 5: Solve for x
   x = 1,443,095,969,538,609/17,642,394
6. Step 6: Final answer
   x = 81,797,060.51