Finding the Third Proportional to 248,340 and 536,377.50

Step by Step Solution

1. Step 1: Write the proportion equation
   248,340 : 536,377.50 = 536,377.50 : x
2. Step 2: Convert to fraction form
   248,340/536,377.50 = 536,377.50/x
3. Step 3: Cross multiply
   248,340x = 536,377.50 × 536,377.50
4. Step 4: Simplify right side
   248,340x = 287,700,822,506.25
5. Step 5: Solve for x
   x = 287,700,822,506.25/248,340
6. Step 6: Final answer
   x = 1,158,495.70