Finding the Third Proportional to 20,174,414 and 41,784,345

Step by Step Solution

1. Step 1: Write the proportion equation
   20,174,414 : 41,784,345 = 41,784,345 : x
2. Step 2: Convert to fraction form
   20,174,414/41,784,345 = 41,784,345/x
3. Step 3: Cross multiply
   20,174,414x = 41,784,345 × 41,784,345
4. Step 4: Simplify right side
   20,174,414x = 1,745,931,487,079,025
5. Step 5: Solve for x
   x = 1,745,931,487,079,025/20,174,414
6. Step 6: Final answer
   x = 86,541,868.68