Finding the Third Proportional to 908,905.50 and 1,409,290

Step by Step Solution

1. Step 1: Write the proportion equation
   908,905.50 : 1,409,290 = 1,409,290 : x
2. Step 2: Convert to fraction form
   908,905.50/1,409,290 = 1,409,290/x
3. Step 3: Cross multiply
   908,905.50x = 1,409,290 × 1,409,290
4. Step 4: Simplify right side
   908,905.50x = 1,986,098,304,100
5. Step 5: Solve for x
   x = 1,986,098,304,100/908,905.50
6. Step 6: Final answer
   x = 2,185,153.80