Finding the Third Proportional to 290,315 and 592,293.50

Step by Step Solution

1. Step 1: Write the proportion equation
   290,315 : 592,293.50 = 592,293.50 : x
2. Step 2: Convert to fraction form
   290,315/592,293.50 = 592,293.50/x
3. Step 3: Cross multiply
   290,315x = 592,293.50 × 592,293.50
4. Step 4: Simplify right side
   290,315x = 350,811,590,142.25
5. Step 5: Solve for x
   x = 350,811,590,142.25/290,315
6. Step 6: Final answer
   x = 1,208,382.58