Finding the Third Proportional to 847,124 and 1,860,138

Step by Step Solution

1. Step 1: Write the proportion equation
   847,124 : 1,860,138 = 1,860,138 : x
2. Step 2: Convert to fraction form
   847,124/1,860,138 = 1,860,138/x
3. Step 3: Cross multiply
   847,124x = 1,860,138 × 1,860,138
4. Step 4: Simplify right side
   847,124x = 3,460,113,379,044
5. Step 5: Solve for x
   x = 3,460,113,379,044/847,124
6. Step 6: Final answer
   x = 4,084,541.79