Finding the Third Proportional to 123,302 and 265,315.50

Step by Step Solution

1. Step 1: Write the proportion equation
   123,302 : 265,315.50 = 265,315.50 : x
2. Step 2: Convert to fraction form
   123,302/265,315.50 = 265,315.50/x
3. Step 3: Cross multiply
   123,302x = 265,315.50 × 265,315.50
4. Step 4: Simplify right side
   123,302x = 70,392,314,540.25
5. Step 5: Solve for x
   x = 70,392,314,540.25/123,302
6. Step 6: Final answer
   x = 570,893.53