Finding the Third Proportional to 724,297.50 and 1,146,636

Step by Step Solution

1. Step 1: Write the proportion equation
   724,297.50 : 1,146,636 = 1,146,636 : x
2. Step 2: Convert to fraction form
   724,297.50/1,146,636 = 1,146,636/x
3. Step 3: Cross multiply
   724,297.50x = 1,146,636 × 1,146,636
4. Step 4: Simplify right side
   724,297.50x = 1,314,774,116,496
5. Step 5: Solve for x
   x = 1,314,774,116,496/724,297.50
6. Step 6: Final answer
   x = 1,815,240.45