Finding the Third Proportional to 613,422 and 931,168.50

Step by Step Solution

1. Step 1: Write the proportion equation
   613,422 : 931,168.50 = 931,168.50 : x
2. Step 2: Convert to fraction form
   613,422/931,168.50 = 931,168.50/x
3. Step 3: Cross multiply
   613,422x = 931,168.50 × 931,168.50
4. Step 4: Simplify right side
   613,422x = 867,074,775,392.25
5. Step 5: Solve for x
   x = 867,074,775,392.25/613,422
6. Step 6: Final answer
   x = 1,413,504.53