Finding the Third Proportional to 856,316 and 1,865,196

Step by Step Solution

1. Step 1: Write the proportion equation
   856,316 : 1,865,196 = 1,865,196 : x
2. Step 2: Convert to fraction form
   856,316/1,865,196 = 1,865,196/x
3. Step 3: Cross multiply
   856,316x = 1,865,196 × 1,865,196
4. Step 4: Simplify right side
   856,316x = 3,478,956,118,416
5. Step 5: Solve for x
   x = 3,478,956,118,416/856,316
6. Step 6: Final answer
   x = 4,062,701.29