Finding the Third Proportional to 613,413 and 931,157.50

Step by Step Solution

1. Step 1: Write the proportion equation
   613,413 : 931,157.50 = 931,157.50 : x
2. Step 2: Convert to fraction form
   613,413/931,157.50 = 931,157.50/x
3. Step 3: Cross multiply
   613,413x = 931,157.50 × 931,157.50
4. Step 4: Simplify right side
   613,413x = 867,054,289,806.25
5. Step 5: Solve for x
   x = 867,054,289,806.25/613,413
6. Step 6: Final answer
   x = 1,413,491.87