Finding the Third Proportional to 2,592,405 and 5,680,725.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,592,405 : 5,680,725.75 = 5,680,725.75 : x
2. Step 2: Convert to fraction form
   2,592,405/5,680,725.75 = 5,680,725.75/x
3. Step 3: Cross multiply
   2,592,405x = 5,680,725.75 × 5,680,725.75
4. Step 4: Simplify right side
   2,592,405x = 32,270,645,046,713.06
5. Step 5: Solve for x
   x = 32,270,645,046,713.06/2,592,405
6. Step 6: Final answer
   x = 12,448,149.52