Finding the Third Proportional to 426,387 and 585,796.50

Step by Step Solution

1. Step 1: Write the proportion equation
   426,387 : 585,796.50 = 585,796.50 : x
2. Step 2: Convert to fraction form
   426,387/585,796.50 = 585,796.50/x
3. Step 3: Cross multiply
   426,387x = 585,796.50 × 585,796.50
4. Step 4: Simplify right side
   426,387x = 343,157,539,412.25
5. Step 5: Solve for x
   x = 343,157,539,412.25/426,387
6. Step 6: Final answer
   x = 804,803.01