Finding the Third Proportional to 61,007.50 and 142,528.50

Step by Step Solution

1. Step 1: Write the proportion equation
   61,007.50 : 142,528.50 = 142,528.50 : x
2. Step 2: Convert to fraction form
   61,007.50/142,528.50 = 142,528.50/x
3. Step 3: Cross multiply
   61,007.50x = 142,528.50 × 142,528.50
4. Step 4: Simplify right side
   61,007.50x = 20,314,373,312.25
5. Step 5: Solve for x
   x = 20,314,373,312.25/61,007.50
6. Step 6: Final answer
   x = 332,981.57