Finding the Third Proportional to 123,502 and 265,728.25

Step by Step Solution

1. Step 1: Write the proportion equation
   123,502 : 265,728.25 = 265,728.25 : x
2. Step 2: Convert to fraction form
   123,502/265,728.25 = 265,728.25/x
3. Step 3: Cross multiply
   123,502x = 265,728.25 × 265,728.25
4. Step 4: Simplify right side
   123,502x = 70,611,502,848.06
5. Step 5: Solve for x
   x = 70,611,502,848.06/123,502
6. Step 6: Final answer
   x = 571,743.80