Finding the Third Proportional to 856,319 and 1,865,202

Step by Step Solution

1. Step 1: Write the proportion equation
   856,319 : 1,865,202 = 1,865,202 : x
2. Step 2: Convert to fraction form
   856,319/1,865,202 = 1,865,202/x
3. Step 3: Cross multiply
   856,319x = 1,865,202 × 1,865,202
4. Step 4: Simplify right side
   856,319x = 3,478,978,500,804
5. Step 5: Solve for x
   x = 3,478,978,500,804/856,319
6. Step 6: Final answer
   x = 4,062,713.20