Finding the Third Proportional to 49,387.50 and 70,573.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,387.50 : 70,573.50 = 70,573.50 : x
2. Step 2: Convert to fraction form
   49,387.50/70,573.50 = 70,573.50/x
3. Step 3: Cross multiply
   49,387.50x = 70,573.50 × 70,573.50
4. Step 4: Simplify right side
   49,387.50x = 4,980,618,902.25
5. Step 5: Solve for x
   x = 4,980,618,902.25/49,387.50
6. Step 6: Final answer
   x = 100,847.76