Finding the Third Proportional to 613,395 and 931,128.75

Step by Step Solution

1. Step 1: Write the proportion equation
   613,395 : 931,128.75 = 931,128.75 : x
2. Step 2: Convert to fraction form
   613,395/931,128.75 = 931,128.75/x
3. Step 3: Cross multiply
   613,395x = 931,128.75 × 931,128.75
4. Step 4: Simplify right side
   613,395x = 867,000,749,076.56
5. Step 5: Solve for x
   x = 867,000,749,076.56/613,395
6. Step 6: Final answer
   x = 1,413,446.07