Finding the Third Proportional to 556,308 and 1,139,062.50

Step by Step Solution

1. Step 1: Write the proportion equation
   556,308 : 1,139,062.50 = 1,139,062.50 : x
2. Step 2: Convert to fraction form
   556,308/1,139,062.50 = 1,139,062.50/x
3. Step 3: Cross multiply
   556,308x = 1,139,062.50 × 1,139,062.50
4. Step 4: Simplify right side
   556,308x = 1,297,463,378,906.25
5. Step 5: Solve for x
   x = 1,297,463,378,906.25/556,308
6. Step 6: Final answer
   x = 2,332,275.25