Finding the Third Proportional to 847,143 and 1,739,385

Step by Step Solution

1. Step 1: Write the proportion equation
   847,143 : 1,739,385 = 1,739,385 : x
2. Step 2: Convert to fraction form
   847,143/1,739,385 = 1,739,385/x
3. Step 3: Cross multiply
   847,143x = 1,739,385 × 1,739,385
4. Step 4: Simplify right side
   847,143x = 3,025,460,178,225
5. Step 5: Solve for x
   x = 3,025,460,178,225/847,143
6. Step 6: Final answer
   x = 3,571,368.92