Finding the Third Proportional to 804,870 and 1,128,010.50

Step by Step Solution

1. Step 1: Write the proportion equation
   804,870 : 1,128,010.50 = 1,128,010.50 : x
2. Step 2: Convert to fraction form
   804,870/1,128,010.50 = 1,128,010.50/x
3. Step 3: Cross multiply
   804,870x = 1,128,010.50 × 1,128,010.50
4. Step 4: Simplify right side
   804,870x = 1,272,407,688,110.25
5. Step 5: Solve for x
   x = 1,272,407,688,110.25/804,870
6. Step 6: Final answer
   x = 1,580,885.97