Finding the Third Proportional to 856,314 and 1,865,191

Step by Step Solution

1. Step 1: Write the proportion equation
   856,314 : 1,865,191 = 1,865,191 : x
2. Step 2: Convert to fraction form
   856,314/1,865,191 = 1,865,191/x
3. Step 3: Cross multiply
   856,314x = 1,865,191 × 1,865,191
4. Step 4: Simplify right side
   856,314x = 3,478,937,466,481
5. Step 5: Solve for x
   x = 3,478,937,466,481/856,314
6. Step 6: Final answer
   x = 4,062,689.00