Finding the Third Proportional to 45,409.50 and 70,492.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,409.50 : 70,492.50 = 70,492.50 : x
2. Step 2: Convert to fraction form
   45,409.50/70,492.50 = 70,492.50/x
3. Step 3: Cross multiply
   45,409.50x = 70,492.50 × 70,492.50
4. Step 4: Simplify right side
   45,409.50x = 4,969,192,556.25
5. Step 5: Solve for x
   x = 4,969,192,556.25/45,409.50
6. Step 6: Final answer
   x = 109,430.68