Finding the Third Proportional to 17,642,396 and 37,988,107

Step by Step Solution

1. Step 1: Write the proportion equation
   17,642,396 : 37,988,107 = 37,988,107 : x
2. Step 2: Convert to fraction form
   17,642,396/37,988,107 = 37,988,107/x
3. Step 3: Cross multiply
   17,642,396x = 37,988,107 × 37,988,107
4. Step 4: Simplify right side
   17,642,396x = 1,443,096,273,443,449
5. Step 5: Solve for x
   x = 1,443,096,273,443,449/17,642,396
6. Step 6: Final answer
   x = 81,797,068.46