Finding the Third Proportional to 30,026.81 and 65,338.88

Step by Step Solution

1. Step 1: Write the proportion equation
   30,026.81 : 65,338.88 = 65,338.88 : x
2. Step 2: Convert to fraction form
   30,026.81/65,338.88 = 65,338.88/x
3. Step 3: Cross multiply
   30,026.81x = 65,338.88 × 65,338.88
4. Step 4: Simplify right side
   30,026.81x = 4,269,168,586.27
5. Step 5: Solve for x
   x = 4,269,168,586.27/30,026.81
6. Step 6: Final answer
   x = 142,178.55