Finding the Third Proportional to 4,187,197 and 9,200,156

Step by Step Solution

1. Step 1: Write the proportion equation
   4,187,197 : 9,200,156 = 9,200,156 : x
2. Step 2: Convert to fraction form
   4,187,197/9,200,156 = 9,200,156/x
3. Step 3: Cross multiply
   4,187,197x = 9,200,156 × 9,200,156
4. Step 4: Simplify right side
   4,187,197x = 84,642,870,424,336
5. Step 5: Solve for x
   x = 84,642,870,424,336/4,187,197
6. Step 6: Final answer
   x = 20,214,685.49