Finding the Third Proportional to 53,050 and 72,090.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,050 : 72,090.50 = 72,090.50 : x
2. Step 2: Convert to fraction form
   53,050/72,090.50 = 72,090.50/x
3. Step 3: Cross multiply
   53,050x = 72,090.50 × 72,090.50
4. Step 4: Simplify right side
   53,050x = 5,197,040,190.25
5. Step 5: Solve for x
   x = 5,197,040,190.25/53,050
6. Step 6: Final answer
   x = 97,964.94