Finding the Third Proportional to 847,146 and 1,860,180

Step by Step Solution

1. Step 1: Write the proportion equation
   847,146 : 1,860,180 = 1,860,180 : x
2. Step 2: Convert to fraction form
   847,146/1,860,180 = 1,860,180/x
3. Step 3: Cross multiply
   847,146x = 1,860,180 × 1,860,180
4. Step 4: Simplify right side
   847,146x = 3,460,269,632,400
5. Step 5: Solve for x
   x = 3,460,269,632,400/847,146
6. Step 6: Final answer
   x = 4,084,620.16