Finding the Third Proportional to 250,410 and 590,530.50

Step by Step Solution

1. Step 1: Write the proportion equation
   250,410 : 590,530.50 = 590,530.50 : x
2. Step 2: Convert to fraction form
   250,410/590,530.50 = 590,530.50/x
3. Step 3: Cross multiply
   250,410x = 590,530.50 × 590,530.50
4. Step 4: Simplify right side
   250,410x = 348,726,271,430.25
5. Step 5: Solve for x
   x = 348,726,271,430.25/250,410
6. Step 6: Final answer
   x = 1,392,621.19