Finding the Third Proportional to 45,034.50 and 70,642.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,034.50 : 70,642.50 = 70,642.50 : x
2. Step 2: Convert to fraction form
   45,034.50/70,642.50 = 70,642.50/x
3. Step 3: Cross multiply
   45,034.50x = 70,642.50 × 70,642.50
4. Step 4: Simplify right side
   45,034.50x = 4,990,362,806.25
5. Step 5: Solve for x
   x = 4,990,362,806.25/45,034.50
6. Step 6: Final answer
   x = 110,812.00