Finding the Third Proportional to 264,387 and 558,913.50

Step by Step Solution

1. Step 1: Write the proportion equation
   264,387 : 558,913.50 = 558,913.50 : x
2. Step 2: Convert to fraction form
   264,387/558,913.50 = 558,913.50/x
3. Step 3: Cross multiply
   264,387x = 558,913.50 × 558,913.50
4. Step 4: Simplify right side
   264,387x = 312,384,300,482.25
5. Step 5: Solve for x
   x = 312,384,300,482.25/264,387
6. Step 6: Final answer
   x = 1,181,541.83