Finding the Third Proportional to 4,662,780 and 10,034,142

Step by Step Solution

1. Step 1: Write the proportion equation
   4,662,780 : 10,034,142 = 10,034,142 : x
2. Step 2: Convert to fraction form
   4,662,780/10,034,142 = 10,034,142/x
3. Step 3: Cross multiply
   4,662,780x = 10,034,142 × 10,034,142
4. Step 4: Simplify right side
   4,662,780x = 100,684,005,676,164
5. Step 5: Solve for x
   x = 100,684,005,676,164/4,662,780
6. Step 6: Final answer
   x = 21,593,128.06