Finding the Third Proportional to 30,109.50 and 45,969.75

Step by Step Solution

1. Step 1: Write the proportion equation
   30,109.50 : 45,969.75 = 45,969.75 : x
2. Step 2: Convert to fraction form
   30,109.50/45,969.75 = 45,969.75/x
3. Step 3: Cross multiply
   30,109.50x = 45,969.75 × 45,969.75
4. Step 4: Simplify right side
   30,109.50x = 2,113,217,915.06
5. Step 5: Solve for x
   x = 2,113,217,915.06/30,109.50
6. Step 6: Final answer
   x = 70,184.42