Finding the Third Proportional to 899,318 and 1,926,839

Step by Step Solution

1. Step 1: Write the proportion equation
   899,318 : 1,926,839 = 1,926,839 : x
2. Step 2: Convert to fraction form
   899,318/1,926,839 = 1,926,839/x
3. Step 3: Cross multiply
   899,318x = 1,926,839 × 1,926,839
4. Step 4: Simplify right side
   899,318x = 3,712,708,531,921
5. Step 5: Solve for x
   x = 3,712,708,531,921/899,318
6. Step 6: Final answer
   x = 4,128,360.08