Finding the Third Proportional to 51,956.16 and 83,671.88

Step by Step Solution

1. Step 1: Write the proportion equation
   51,956.16 : 83,671.88 = 83,671.88 : x
2. Step 2: Convert to fraction form
   51,956.16/83,671.88 = 83,671.88/x
3. Step 3: Cross multiply
   51,956.16x = 83,671.88 × 83,671.88
4. Step 4: Simplify right side
   51,956.16x = 7,000,982,666.02
5. Step 5: Solve for x
   x = 7,000,982,666.02/51,956.16
6. Step 6: Final answer
   x = 134,747.89