Finding the Third Proportional to 30,810 and 47,573.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,810 : 47,573.50 = 47,573.50 : x
2. Step 2: Convert to fraction form
   30,810/47,573.50 = 47,573.50/x
3. Step 3: Cross multiply
   30,810x = 47,573.50 × 47,573.50
4. Step 4: Simplify right side
   30,810x = 2,263,237,902.25
5. Step 5: Solve for x
   x = 2,263,237,902.25/30,810
6. Step 6: Final answer
   x = 73,457.90