Finding the Third Proportional to 581,680 and 1,230,426

Step by Step Solution

1. Step 1: Write the proportion equation
   581,680 : 1,230,426 = 1,230,426 : x
2. Step 2: Convert to fraction form
   581,680/1,230,426 = 1,230,426/x
3. Step 3: Cross multiply
   581,680x = 1,230,426 × 1,230,426
4. Step 4: Simplify right side
   581,680x = 1,513,948,141,476
5. Step 5: Solve for x
   x = 1,513,948,141,476/581,680
6. Step 6: Final answer
   x = 2,602,716.51