Finding the Third Proportional to 426,492 and 840,955.50

Step by Step Solution

1. Step 1: Write the proportion equation
   426,492 : 840,955.50 = 840,955.50 : x
2. Step 2: Convert to fraction form
   426,492/840,955.50 = 840,955.50/x
3. Step 3: Cross multiply
   426,492x = 840,955.50 × 840,955.50
4. Step 4: Simplify right side
   426,492x = 707,206,152,980.25
5. Step 5: Solve for x
   x = 707,206,152,980.25/426,492
6. Step 6: Final answer
   x = 1,658,193.24