Finding the Third Proportional to 351,805 and 545,083.50

Step by Step Solution

1. Step 1: Write the proportion equation
   351,805 : 545,083.50 = 545,083.50 : x
2. Step 2: Convert to fraction form
   351,805/545,083.50 = 545,083.50/x
3. Step 3: Cross multiply
   351,805x = 545,083.50 × 545,083.50
4. Step 4: Simplify right side
   351,805x = 297,116,021,972.25
5. Step 5: Solve for x
   x = 297,116,021,972.25/351,805
6. Step 6: Final answer
   x = 844,547.47