Finding the Third Proportional to 722,938 and 1,082,218.50

Step by Step Solution

1. Step 1: Write the proportion equation
   722,938 : 1,082,218.50 = 1,082,218.50 : x
2. Step 2: Convert to fraction form
   722,938/1,082,218.50 = 1,082,218.50/x
3. Step 3: Cross multiply
   722,938x = 1,082,218.50 × 1,082,218.50
4. Step 4: Simplify right side
   722,938x = 1,171,196,881,742.25
5. Step 5: Solve for x
   x = 1,171,196,881,742.25/722,938
6. Step 6: Final answer
   x = 1,620,051.63