Finding the Third Proportional to 30,417 and 47,077.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,417 : 47,077.50 = 47,077.50 : x
2. Step 2: Convert to fraction form
   30,417/47,077.50 = 47,077.50/x
3. Step 3: Cross multiply
   30,417x = 47,077.50 × 47,077.50
4. Step 4: Simplify right side
   30,417x = 2,216,291,006.25
5. Step 5: Solve for x
   x = 2,216,291,006.25/30,417
6. Step 6: Final answer
   x = 72,863.56