Finding the Third Proportional to 290,314 and 592,291.50

Step by Step Solution

1. Step 1: Write the proportion equation
   290,314 : 592,291.50 = 592,291.50 : x
2. Step 2: Convert to fraction form
   290,314/592,291.50 = 592,291.50/x
3. Step 3: Cross multiply
   290,314x = 592,291.50 × 592,291.50
4. Step 4: Simplify right side
   290,314x = 350,809,220,972.25
5. Step 5: Solve for x
   x = 350,809,220,972.25/290,314
6. Step 6: Final answer
   x = 1,208,378.59