Finding the Third Proportional to 17,642,776 and 37,988,760

Step by Step Solution

1. Step 1: Write the proportion equation
   17,642,776 : 37,988,760 = 37,988,760 : x
2. Step 2: Convert to fraction form
   17,642,776/37,988,760 = 37,988,760/x
3. Step 3: Cross multiply
   17,642,776x = 37,988,760 × 37,988,760
4. Step 4: Simplify right side
   17,642,776x = 1,443,145,886,337,600
5. Step 5: Solve for x
   x = 1,443,145,886,337,600/17,642,776
6. Step 6: Final answer
   x = 81,798,118.75