Finding the Third Proportional to 1,861,299 and 2,986,308

Step by Step Solution

1. Step 1: Write the proportion equation
   1,861,299 : 2,986,308 = 2,986,308 : x
2. Step 2: Convert to fraction form
   1,861,299/2,986,308 = 2,986,308/x
3. Step 3: Cross multiply
   1,861,299x = 2,986,308 × 2,986,308
4. Step 4: Simplify right side
   1,861,299x = 8,918,035,470,864
5. Step 5: Solve for x
   x = 8,918,035,470,864/1,861,299
6. Step 6: Final answer
   x = 4,791,296.55