Finding the Third Proportional to 852,000 and 1,817,920

Step by Step Solution

1. Step 1: Write the proportion equation
   852,000 : 1,817,920 = 1,817,920 : x
2. Step 2: Convert to fraction form
   852,000/1,817,920 = 1,817,920/x
3. Step 3: Cross multiply
   852,000x = 1,817,920 × 1,817,920
4. Step 4: Simplify right side
   852,000x = 3,304,833,126,400
5. Step 5: Solve for x
   x = 3,304,833,126,400/852,000
6. Step 6: Final answer
   x = 3,878,912.12