Finding the Third Proportional to 610,548 and 898,164

Step by Step Solution

1. Step 1: Write the proportion equation
   610,548 : 898,164 = 898,164 : x
2. Step 2: Convert to fraction form
   610,548/898,164 = 898,164/x
3. Step 3: Cross multiply
   610,548x = 898,164 × 898,164
4. Step 4: Simplify right side
   610,548x = 806,698,570,896
5. Step 5: Solve for x
   x = 806,698,570,896/610,548
6. Step 6: Final answer
   x = 1,321,269.70