Finding the Third Proportional to 35,178 and 74,970

Step by Step Solution

1. Step 1: Write the proportion equation
   35,178 : 74,970 = 74,970 : x
2. Step 2: Convert to fraction form
   35,178/74,970 = 74,970/x
3. Step 3: Cross multiply
   35,178x = 74,970 × 74,970
4. Step 4: Simplify right side
   35,178x = 5,620,500,900
5. Step 5: Solve for x
   x = 5,620,500,900/35,178
6. Step 6: Final answer
   x = 159,773.18