Finding the Third Proportional to 847,138 and 1,860,164

Step by Step Solution

1. Step 1: Write the proportion equation
   847,138 : 1,860,164 = 1,860,164 : x
2. Step 2: Convert to fraction form
   847,138/1,860,164 = 1,860,164/x
3. Step 3: Cross multiply
   847,138x = 1,860,164 × 1,860,164
4. Step 4: Simplify right side
   847,138x = 3,460,210,106,896
5. Step 5: Solve for x
   x = 3,460,210,106,896/847,138
6. Step 6: Final answer
   x = 4,084,588.47