Finding the Third Proportional to 31,221 and 43,051.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,221 : 43,051.50 = 43,051.50 : x
2. Step 2: Convert to fraction form
   31,221/43,051.50 = 43,051.50/x
3. Step 3: Cross multiply
   31,221x = 43,051.50 × 43,051.50
4. Step 4: Simplify right side
   31,221x = 1,853,431,652.25
5. Step 5: Solve for x
   x = 1,853,431,652.25/31,221
6. Step 6: Final answer
   x = 59,364.90