Finding the Third Proportional to 45,978.50 and 70,304

Step by Step Solution

1. Step 1: Write the proportion equation
   45,978.50 : 70,304 = 70,304 : x
2. Step 2: Convert to fraction form
   45,978.50/70,304 = 70,304/x
3. Step 3: Cross multiply
   45,978.50x = 70,304 × 70,304
4. Step 4: Simplify right side
   45,978.50x = 4,942,652,416
5. Step 5: Solve for x
   x = 4,942,652,416/45,978.50
6. Step 6: Final answer
   x = 107,499.21