Finding the Third Proportional to 31,179.94 and 66,506.06

Step by Step Solution

1. Step 1: Write the proportion equation
   31,179.94 : 66,506.06 = 66,506.06 : x
2. Step 2: Convert to fraction form
   31,179.94/66,506.06 = 66,506.06/x
3. Step 3: Cross multiply
   31,179.94x = 66,506.06 × 66,506.06
4. Step 4: Simplify right side
   31,179.94x = 4,423,056,349.25
5. Step 5: Solve for x
   x = 4,423,056,349.25/31,179.94
6. Step 6: Final answer
   x = 141,855.84