Finding the Third Proportional to 659,400 and 1,027,621.50

Step by Step Solution

1. Step 1: Write the proportion equation
   659,400 : 1,027,621.50 = 1,027,621.50 : x
2. Step 2: Convert to fraction form
   659,400/1,027,621.50 = 1,027,621.50/x
3. Step 3: Cross multiply
   659,400x = 1,027,621.50 × 1,027,621.50
4. Step 4: Simplify right side
   659,400x = 1,056,005,947,262.25
5. Step 5: Solve for x
   x = 1,056,005,947,262.25/659,400
6. Step 6: Final answer
   x = 1,601,464.89