Finding the Third Proportional to 613,402 and 931,140

Step by Step Solution

1. Step 1: Write the proportion equation
   613,402 : 931,140 = 931,140 : x
2. Step 2: Convert to fraction form
   613,402/931,140 = 931,140/x
3. Step 3: Cross multiply
   613,402x = 931,140 × 931,140
4. Step 4: Simplify right side
   613,402x = 867,021,699,600
5. Step 5: Solve for x
   x = 867,021,699,600/613,402
6. Step 6: Final answer
   x = 1,413,464.09