Finding the Third Proportional to 400,116 and 874,584

Step by Step Solution

1. Step 1: Write the proportion equation
   400,116 : 874,584 = 874,584 : x
2. Step 2: Convert to fraction form
   400,116/874,584 = 874,584/x
3. Step 3: Cross multiply
   400,116x = 874,584 × 874,584
4. Step 4: Simplify right side
   400,116x = 764,897,173,056
5. Step 5: Solve for x
   x = 764,897,173,056/400,116
6. Step 6: Final answer
   x = 1,911,688.54