Finding the Third Proportional to 1,246,599 and 1,861,695

Step by Step Solution

1. Step 1: Write the proportion equation
   1,246,599 : 1,861,695 = 1,861,695 : x
2. Step 2: Convert to fraction form
   1,246,599/1,861,695 = 1,861,695/x
3. Step 3: Cross multiply
   1,246,599x = 1,861,695 × 1,861,695
4. Step 4: Simplify right side
   1,246,599x = 3,465,908,273,025
5. Step 5: Solve for x
   x = 3,465,908,273,025/1,246,599
6. Step 6: Final answer
   x = 2,780,291.23