Finding the Third Proportional to 856,346 and 1,865,254

Step by Step Solution

1. Step 1: Write the proportion equation
   856,346 : 1,865,254 = 1,865,254 : x
2. Step 2: Convert to fraction form
   856,346/1,865,254 = 1,865,254/x
3. Step 3: Cross multiply
   856,346x = 1,865,254 × 1,865,254
4. Step 4: Simplify right side
   856,346x = 3,479,172,484,516
5. Step 5: Solve for x
   x = 3,479,172,484,516/856,346
6. Step 6: Final answer
   x = 4,062,811.63