Finding the Third Proportional to 1,226,168 and 2,680,432

Step by Step Solution

1. Step 1: Write the proportion equation
   1,226,168 : 2,680,432 = 2,680,432 : x
2. Step 2: Convert to fraction form
   1,226,168/2,680,432 = 2,680,432/x
3. Step 3: Cross multiply
   1,226,168x = 2,680,432 × 2,680,432
4. Step 4: Simplify right side
   1,226,168x = 7,184,715,706,624
5. Step 5: Solve for x
   x = 7,184,715,706,624/1,226,168
6. Step 6: Final answer
   x = 5,859,487.20