Finding the Third Proportional to 16,390,420 and 23,679,288

Step by Step Solution

1. Step 1: Write the proportion equation
   16,390,420 : 23,679,288 = 23,679,288 : x
2. Step 2: Convert to fraction form
   16,390,420/23,679,288 = 23,679,288/x
3. Step 3: Cross multiply
   16,390,420x = 23,679,288 × 23,679,288
4. Step 4: Simplify right side
   16,390,420x = 560,708,680,186,944
5. Step 5: Solve for x
   x = 560,708,680,186,944/16,390,420
6. Step 6: Final answer
   x = 34,209,537.05