Finding the Third Proportional to 617,610 and 1,320,832.50

Step by Step Solution

1. Step 1: Write the proportion equation
   617,610 : 1,320,832.50 = 1,320,832.50 : x
2. Step 2: Convert to fraction form
   617,610/1,320,832.50 = 1,320,832.50/x
3. Step 3: Cross multiply
   617,610x = 1,320,832.50 × 1,320,832.50
4. Step 4: Simplify right side
   617,610x = 1,744,598,493,056.25
5. Step 5: Solve for x
   x = 1,744,598,493,056.25/617,610
6. Step 6: Final answer
   x = 2,824,757.52