Finding the Third Proportional to 17,931.38 and 36,654.75

Step by Step Solution

1. Step 1: Write the proportion equation
   17,931.38 : 36,654.75 = 36,654.75 : x
2. Step 2: Convert to fraction form
   17,931.38/36,654.75 = 36,654.75/x
3. Step 3: Cross multiply
   17,931.38x = 36,654.75 × 36,654.75
4. Step 4: Simplify right side
   17,931.38x = 1,343,570,697.56
5. Step 5: Solve for x
   x = 1,343,570,697.56/17,931.38
6. Step 6: Final answer
   x = 74,928.48