Finding the Third Proportional to 52,822.50 and 72,427.50

Step by Step Solution

1. Step 1: Write the proportion equation
   52,822.50 : 72,427.50 = 72,427.50 : x
2. Step 2: Convert to fraction form
   52,822.50/72,427.50 = 72,427.50/x
3. Step 3: Cross multiply
   52,822.50x = 72,427.50 × 72,427.50
4. Step 4: Simplify right side
   52,822.50x = 5,245,742,756.25
5. Step 5: Solve for x
   x = 5,245,742,756.25/52,822.50
6. Step 6: Final answer
   x = 99,308.87