Finding the Third Proportional to 34,885.69 and 76,420.69

Step by Step Solution

1. Step 1: Write the proportion equation
   34,885.69 : 76,420.69 = 76,420.69 : x
2. Step 2: Convert to fraction form
   34,885.69/76,420.69 = 76,420.69/x
3. Step 3: Cross multiply
   34,885.69x = 76,420.69 × 76,420.69
4. Step 4: Simplify right side
   34,885.69x = 5,840,121,477.97
5. Step 5: Solve for x
   x = 5,840,121,477.97/34,885.69
6. Step 6: Final answer
   x = 167,407.38