Finding the Third Proportional to 31,304 and 69,606.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,304 : 69,606.50 = 69,606.50 : x
2. Step 2: Convert to fraction form
   31,304/69,606.50 = 69,606.50/x
3. Step 3: Cross multiply
   31,304x = 69,606.50 × 69,606.50
4. Step 4: Simplify right side
   31,304x = 4,845,064,842.25
5. Step 5: Solve for x
   x = 4,845,064,842.25/31,304
6. Step 6: Final answer
   x = 154,774.62