Finding the Third Proportional to 34,640.16 and 74,818.69

Step by Step Solution

1. Step 1: Write the proportion equation
   34,640.16 : 74,818.69 = 74,818.69 : x
2. Step 2: Convert to fraction form
   34,640.16/74,818.69 = 74,818.69/x
3. Step 3: Cross multiply
   34,640.16x = 74,818.69 × 74,818.69
4. Step 4: Simplify right side
   34,640.16x = 5,597,835,999.22
5. Step 5: Solve for x
   x = 5,597,835,999.22/34,640.16
6. Step 6: Final answer
   x = 161,599.62