Finding the Third Proportional to 607,657.50 and 1,309,520

Step by Step Solution

1. Step 1: Write the proportion equation
   607,657.50 : 1,309,520 = 1,309,520 : x
2. Step 2: Convert to fraction form
   607,657.50/1,309,520 = 1,309,520/x
3. Step 3: Cross multiply
   607,657.50x = 1,309,520 × 1,309,520
4. Step 4: Simplify right side
   607,657.50x = 1,714,842,630,400
5. Step 5: Solve for x
   x = 1,714,842,630,400/607,657.50
6. Step 6: Final answer
   x = 2,822,054.58