Finding the Third Proportional to 260,047 and 389,017.50

Step by Step Solution

1. Step 1: Write the proportion equation
   260,047 : 389,017.50 = 389,017.50 : x
2. Step 2: Convert to fraction form
   260,047/389,017.50 = 389,017.50/x
3. Step 3: Cross multiply
   260,047x = 389,017.50 × 389,017.50
4. Step 4: Simplify right side
   260,047x = 151,334,615,306.25
5. Step 5: Solve for x
   x = 151,334,615,306.25/260,047
6. Step 6: Final answer
   x = 581,951.01