Finding the Third Proportional to 426,495 and 840,961.50

Step by Step Solution

1. Step 1: Write the proportion equation
   426,495 : 840,961.50 = 840,961.50 : x
2. Step 2: Convert to fraction form
   426,495/840,961.50 = 840,961.50/x
3. Step 3: Cross multiply
   426,495x = 840,961.50 × 840,961.50
4. Step 4: Simplify right side
   426,495x = 707,216,244,482.25
5. Step 5: Solve for x
   x = 707,216,244,482.25/426,495
6. Step 6: Final answer
   x = 1,658,205.24