Finding the Third Proportional to 17,642,742 and 37,988,696

Step by Step Solution

1. Step 1: Write the proportion equation
   17,642,742 : 37,988,696 = 37,988,696 : x
2. Step 2: Convert to fraction form
   17,642,742/37,988,696 = 37,988,696/x
3. Step 3: Cross multiply
   17,642,742x = 37,988,696 × 37,988,696
4. Step 4: Simplify right side
   17,642,742x = 1,443,141,023,780,416
5. Step 5: Solve for x
   x = 1,443,141,023,780,416/17,642,742
6. Step 6: Final answer
   x = 81,798,000.77