Finding the Third Proportional to 368,812 and 560,870.50

Step by Step Solution

1. Step 1: Write the proportion equation
   368,812 : 560,870.50 = 560,870.50 : x
2. Step 2: Convert to fraction form
   368,812/560,870.50 = 560,870.50/x
3. Step 3: Cross multiply
   368,812x = 560,870.50 × 560,870.50
4. Step 4: Simplify right side
   368,812x = 314,575,717,770.25
5. Step 5: Solve for x
   x = 314,575,717,770.25/368,812
6. Step 6: Final answer
   x = 852,943.28