Finding the Third Proportional to 521,208 and 1,142,154

Step by Step Solution

1. Step 1: Write the proportion equation
   521,208 : 1,142,154 = 1,142,154 : x
2. Step 2: Convert to fraction form
   521,208/1,142,154 = 1,142,154/x
3. Step 3: Cross multiply
   521,208x = 1,142,154 × 1,142,154
4. Step 4: Simplify right side
   521,208x = 1,304,515,759,716
5. Step 5: Solve for x
   x = 1,304,515,759,716/521,208
6. Step 6: Final answer
   x = 2,502,869.79