Finding the Third Proportional to 381,460.50 and 577,100.25

Step by Step Solution

1. Step 1: Write the proportion equation
   381,460.50 : 577,100.25 = 577,100.25 : x
2. Step 2: Convert to fraction form
   381,460.50/577,100.25 = 577,100.25/x
3. Step 3: Cross multiply
   381,460.50x = 577,100.25 × 577,100.25
4. Step 4: Simplify right side
   381,460.50x = 333,044,698,550.06
5. Step 5: Solve for x
   x = 333,044,698,550.06/381,460.50
6. Step 6: Final answer
   x = 873,077.81