Finding the Third Proportional to 352,549 and 537,085.50

Step by Step Solution

1. Step 1: Write the proportion equation
   352,549 : 537,085.50 = 537,085.50 : x
2. Step 2: Convert to fraction form
   352,549/537,085.50 = 537,085.50/x
3. Step 3: Cross multiply
   352,549x = 537,085.50 × 537,085.50
4. Step 4: Simplify right side
   352,549x = 288,460,834,310.25
5. Step 5: Solve for x
   x = 288,460,834,310.25/352,549
6. Step 6: Final answer
   x = 818,214.87