Finding the Third Proportional to 352,992 and 540,088.50

Step by Step Solution

1. Step 1: Write the proportion equation
   352,992 : 540,088.50 = 540,088.50 : x
2. Step 2: Convert to fraction form
   352,992/540,088.50 = 540,088.50/x
3. Step 3: Cross multiply
   352,992x = 540,088.50 × 540,088.50
4. Step 4: Simplify right side
   352,992x = 291,695,587,832.25
5. Step 5: Solve for x
   x = 291,695,587,832.25/352,992
6. Step 6: Final answer
   x = 826,351.84