Finding the Third Proportional to 311,655 and 467,842.50

Step by Step Solution

1. Step 1: Write the proportion equation
   311,655 : 467,842.50 = 467,842.50 : x
2. Step 2: Convert to fraction form
   311,655/467,842.50 = 467,842.50/x
3. Step 3: Cross multiply
   311,655x = 467,842.50 × 467,842.50
4. Step 4: Simplify right side
   311,655x = 218,876,604,806.25
5. Step 5: Solve for x
   x = 218,876,604,806.25/311,655
6. Step 6: Final answer
   x = 702,304.17