Finding the Third Proportional to 489,328.50 and 1,077,997.50

Step by Step Solution

1. Step 1: Write the proportion equation
   489,328.50 : 1,077,997.50 = 1,077,997.50 : x
2. Step 2: Convert to fraction form
   489,328.50/1,077,997.50 = 1,077,997.50/x
3. Step 3: Cross multiply
   489,328.50x = 1,077,997.50 × 1,077,997.50
4. Step 4: Simplify right side
   489,328.50x = 1,162,078,610,006.25
5. Step 5: Solve for x
   x = 1,162,078,610,006.25/489,328.50
6. Step 6: Final answer
   x = 2,374,843.50