Finding the Third Proportional to 349,731 and 540,025.50

Step by Step Solution

1. Step 1: Write the proportion equation
   349,731 : 540,025.50 = 540,025.50 : x
2. Step 2: Convert to fraction form
   349,731/540,025.50 = 540,025.50/x
3. Step 3: Cross multiply
   349,731x = 540,025.50 × 540,025.50
4. Step 4: Simplify right side
   349,731x = 291,627,540,650.25
5. Step 5: Solve for x
   x = 291,627,540,650.25/349,731
6. Step 6: Final answer
   x = 833,862.43