Finding the Third Proportional to 613,784 and 1,339,088

Step by Step Solution

1. Step 1: Write the proportion equation
   613,784 : 1,339,088 = 1,339,088 : x
2. Step 2: Convert to fraction form
   613,784/1,339,088 = 1,339,088/x
3. Step 3: Cross multiply
   613,784x = 1,339,088 × 1,339,088
4. Step 4: Simplify right side
   613,784x = 1,793,156,671,744
5. Step 5: Solve for x
   x = 1,793,156,671,744/613,784
6. Step 6: Final answer
   x = 2,921,478.36