Finding the Third Proportional to 611,756 and 1,439,316

Step by Step Solution

1. Step 1: Write the proportion equation
   611,756 : 1,439,316 = 1,439,316 : x
2. Step 2: Convert to fraction form
   611,756/1,439,316 = 1,439,316/x
3. Step 3: Cross multiply
   611,756x = 1,439,316 × 1,439,316
4. Step 4: Simplify right side
   611,756x = 2,071,630,547,856
5. Step 5: Solve for x
   x = 2,071,630,547,856/611,756
6. Step 6: Final answer
   x = 3,386,367.36