Finding the Third Proportional to 750,459 and 1,123,636.50

Step by Step Solution

1. Step 1: Write the proportion equation
   750,459 : 1,123,636.50 = 1,123,636.50 : x
2. Step 2: Convert to fraction form
   750,459/1,123,636.50 = 1,123,636.50/x
3. Step 3: Cross multiply
   750,459x = 1,123,636.50 × 1,123,636.50
4. Step 4: Simplify right side
   750,459x = 1,262,558,984,132.25
5. Step 5: Solve for x
   x = 1,262,558,984,132.25/750,459
6. Step 6: Final answer
   x = 1,682,382.36