Finding the Third Proportional to 260,982 and 556,144.50

Step by Step Solution

1. Step 1: Write the proportion equation
   260,982 : 556,144.50 = 556,144.50 : x
2. Step 2: Convert to fraction form
   260,982/556,144.50 = 556,144.50/x
3. Step 3: Cross multiply
   260,982x = 556,144.50 × 556,144.50
4. Step 4: Simplify right side
   260,982x = 309,296,704,880.25
5. Step 5: Solve for x
   x = 309,296,704,880.25/260,982
6. Step 6: Final answer
   x = 1,185,126.58