Finding the Third Proportional to 35,752.50 and 70,606.50

Step by Step Solution

1. Step 1: Write the proportion equation
   35,752.50 : 70,606.50 = 70,606.50 : x
2. Step 2: Convert to fraction form
   35,752.50/70,606.50 = 70,606.50/x
3. Step 3: Cross multiply
   35,752.50x = 70,606.50 × 70,606.50
4. Step 4: Simplify right side
   35,752.50x = 4,985,277,842.25
5. Step 5: Solve for x
   x = 4,985,277,842.25/35,752.50
6. Step 6: Final answer
   x = 139,438.58