Finding the Third Proportional to 34,695.50 and 74,310

Step by Step Solution

1. Step 1: Write the proportion equation
   34,695.50 : 74,310 = 74,310 : x
2. Step 2: Convert to fraction form
   34,695.50/74,310 = 74,310/x
3. Step 3: Cross multiply
   34,695.50x = 74,310 × 74,310
4. Step 4: Simplify right side
   34,695.50x = 5,521,976,100
5. Step 5: Solve for x
   x = 5,521,976,100/34,695.50
6. Step 6: Final answer
   x = 159,155.40