Finding the Third Proportional to 852,385 and 1,420,460

Step by Step Solution

1. Step 1: Write the proportion equation
   852,385 : 1,420,460 = 1,420,460 : x
2. Step 2: Convert to fraction form
   852,385/1,420,460 = 1,420,460/x
3. Step 3: Cross multiply
   852,385x = 1,420,460 × 1,420,460
4. Step 4: Simplify right side
   852,385x = 2,017,706,611,600
5. Step 5: Solve for x
   x = 2,017,706,611,600/852,385
6. Step 6: Final answer
   x = 2,367,130.59