Finding the Third Proportional to 4,001,716 and 8,762,432

Step by Step Solution

1. Step 1: Write the proportion equation
   4,001,716 : 8,762,432 = 8,762,432 : x
2. Step 2: Convert to fraction form
   4,001,716/8,762,432 = 8,762,432/x
3. Step 3: Cross multiply
   4,001,716x = 8,762,432 × 8,762,432
4. Step 4: Simplify right side
   4,001,716x = 76,780,214,554,624
5. Step 5: Solve for x
   x = 76,780,214,554,624/4,001,716
6. Step 6: Final answer
   x = 19,186,822.49