Finding the Third Proportional to 12,635,725.78 and 18,056,780.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,635,725.78 : 18,056,780.72 = 18,056,780.72 : x
2. Step 2: Convert to fraction form
   12,635,725.78/18,056,780.72 = 18,056,780.72/x
3. Step 3: Cross multiply
   12,635,725.78x = 18,056,780.72 × 18,056,780.72
4. Step 4: Simplify right side
   12,635,725.78x = 326,047,329,925,021.75
5. Step 5: Solve for x
   x = 326,047,329,925,021.75/12,635,725.78
6. Step 6: Final answer
   x = 25,803,609.19