Finding the Third Proportional to 750,453 and 1,123,627.50

Step by Step Solution

1. Step 1: Write the proportion equation
   750,453 : 1,123,627.50 = 1,123,627.50 : x
2. Step 2: Convert to fraction form
   750,453/1,123,627.50 = 1,123,627.50/x
3. Step 3: Cross multiply
   750,453x = 1,123,627.50 × 1,123,627.50
4. Step 4: Simplify right side
   750,453x = 1,262,538,758,756.25
5. Step 5: Solve for x
   x = 1,262,538,758,756.25/750,453
6. Step 6: Final answer
   x = 1,682,368.86