Finding the Third Proportional to 467,878.50 and 708,424.50

Step by Step Solution

1. Step 1: Write the proportion equation
   467,878.50 : 708,424.50 = 708,424.50 : x
2. Step 2: Convert to fraction form
   467,878.50/708,424.50 = 708,424.50/x
3. Step 3: Cross multiply
   467,878.50x = 708,424.50 × 708,424.50
4. Step 4: Simplify right side
   467,878.50x = 501,865,272,200.25
5. Step 5: Solve for x
   x = 501,865,272,200.25/467,878.50
6. Step 6: Final answer
   x = 1,072,640.17