Finding the Third Proportional to 847,134 and 1,860,156

Step by Step Solution

1. Step 1: Write the proportion equation
   847,134 : 1,860,156 = 1,860,156 : x
2. Step 2: Convert to fraction form
   847,134/1,860,156 = 1,860,156/x
3. Step 3: Cross multiply
   847,134x = 1,860,156 × 1,860,156
4. Step 4: Simplify right side
   847,134x = 3,460,180,344,336
5. Step 5: Solve for x
   x = 3,460,180,344,336/847,134
6. Step 6: Final answer
   x = 4,084,572.62