Finding the Third Proportional to 4,215,186 and 9,947,210

Step by Step Solution

1. Step 1: Write the proportion equation
   4,215,186 : 9,947,210 = 9,947,210 : x
2. Step 2: Convert to fraction form
   4,215,186/9,947,210 = 9,947,210/x
3. Step 3: Cross multiply
   4,215,186x = 9,947,210 × 9,947,210
4. Step 4: Simplify right side
   4,215,186x = 98,946,986,784,100
5. Step 5: Solve for x
   x = 98,946,986,784,100/4,215,186
6. Step 6: Final answer
   x = 23,473,931.35