Finding the Third Proportional to 123,441 and 265,612.50

Step by Step Solution

1. Step 1: Write the proportion equation
   123,441 : 265,612.50 = 265,612.50 : x
2. Step 2: Convert to fraction form
   123,441/265,612.50 = 265,612.50/x
3. Step 3: Cross multiply
   123,441x = 265,612.50 × 265,612.50
4. Step 4: Simplify right side
   123,441x = 70,550,000,156.25
5. Step 5: Solve for x
   x = 70,550,000,156.25/123,441
6. Step 6: Final answer
   x = 571,528.10