Finding the Third Proportional to 340,122 and 530,860.50

Step by Step Solution

1. Step 1: Write the proportion equation
   340,122 : 530,860.50 = 530,860.50 : x
2. Step 2: Convert to fraction form
   340,122/530,860.50 = 530,860.50/x
3. Step 3: Cross multiply
   340,122x = 530,860.50 × 530,860.50
4. Step 4: Simplify right side
   340,122x = 281,812,870,460.25
5. Step 5: Solve for x
   x = 281,812,870,460.25/340,122
6. Step 6: Final answer
   x = 828,564.08