Finding the Third Proportional to 426,654 and 914,029.50

Step by Step Solution

1. Step 1: Write the proportion equation
   426,654 : 914,029.50 = 914,029.50 : x
2. Step 2: Convert to fraction form
   426,654/914,029.50 = 914,029.50/x
3. Step 3: Cross multiply
   426,654x = 914,029.50 × 914,029.50
4. Step 4: Simplify right side
   426,654x = 835,449,926,870.25
5. Step 5: Solve for x
   x = 835,449,926,870.25/426,654
6. Step 6: Final answer
   x = 1,958,143.90