Finding the Third Proportional to 12,439,714.50 and 19,471,719.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,439,714.50 : 19,471,719.38 = 19,471,719.38 : x
2. Step 2: Convert to fraction form
   12,439,714.50/19,471,719.38 = 19,471,719.38/x
3. Step 3: Cross multiply
   12,439,714.50x = 19,471,719.38 × 19,471,719.38
4. Step 4: Simplify right side
   12,439,714.50x = 379,147,855,418,750.38
5. Step 5: Solve for x
   x = 379,147,855,418,750.38/12,439,714.50
6. Step 6: Final answer
   x = 30,478,822.92