Finding the Third Proportional to 123,148.50 and 265,296

Step by Step Solution

1. Step 1: Write the proportion equation
   123,148.50 : 265,296 = 265,296 : x
2. Step 2: Convert to fraction form
   123,148.50/265,296 = 265,296/x
3. Step 3: Cross multiply
   123,148.50x = 265,296 × 265,296
4. Step 4: Simplify right side
   123,148.50x = 70,381,967,616
5. Step 5: Solve for x
   x = 70,381,967,616/123,148.50
6. Step 6: Final answer
   x = 571,521.11