Finding the Third Proportional to 31,276.13 and 69,546.94

Step by Step Solution

1. Step 1: Write the proportion equation
   31,276.13 : 69,546.94 = 69,546.94 : x
2. Step 2: Convert to fraction form
   31,276.13/69,546.94 = 69,546.94/x
3. Step 3: Cross multiply
   31,276.13x = 69,546.94 × 69,546.94
4. Step 4: Simplify right side
   31,276.13x = 4,836,776,515.63
5. Step 5: Solve for x
   x = 4,836,776,515.63/31,276.13
6. Step 6: Final answer
   x = 154,647.56