Finding the Third Proportional to 74,172 and 93,978

Step by Step Solution

1. Step 1: Write the proportion equation
   74,172 : 93,978 = 93,978 : x
2. Step 2: Convert to fraction form
   74,172/93,978 = 93,978/x
3. Step 3: Cross multiply
   74,172x = 93,978 × 93,978
4. Step 4: Simplify right side
   74,172x = 8,831,864,484
5. Step 5: Solve for x
   x = 8,831,864,484/74,172
6. Step 6: Final answer
   x = 119,072.76