Finding the Third Proportional to 406,908.75 and 883,870.50

Step by Step Solution

1. Step 1: Write the proportion equation
   406,908.75 : 883,870.50 = 883,870.50 : x
2. Step 2: Convert to fraction form
   406,908.75/883,870.50 = 883,870.50/x
3. Step 3: Cross multiply
   406,908.75x = 883,870.50 × 883,870.50
4. Step 4: Simplify right side
   406,908.75x = 781,227,060,770.25
5. Step 5: Solve for x
   x = 781,227,060,770.25/406,908.75
6. Step 6: Final answer
   x = 1,919,907.25