Finding the Third Proportional to 410,994 and 900,558

Step by Step Solution

1. Step 1: Write the proportion equation
   410,994 : 900,558 = 900,558 : x
2. Step 2: Convert to fraction form
   410,994/900,558 = 900,558/x
3. Step 3: Cross multiply
   410,994x = 900,558 × 900,558
4. Step 4: Simplify right side
   410,994x = 811,004,711,364
5. Step 5: Solve for x
   x = 811,004,711,364/410,994
6. Step 6: Final answer
   x = 1,973,276.28