Finding the Third Proportional to 340,126.50 and 530,868

Step by Step Solution

1. Step 1: Write the proportion equation
   340,126.50 : 530,868 = 530,868 : x
2. Step 2: Convert to fraction form
   340,126.50/530,868 = 530,868/x
3. Step 3: Cross multiply
   340,126.50x = 530,868 × 530,868
4. Step 4: Simplify right side
   340,126.50x = 281,820,833,424
5. Step 5: Solve for x
   x = 281,820,833,424/340,126.50
6. Step 6: Final answer
   x = 828,576.52