Finding the Third Proportional to 3,790,468 and 8,210,792

Step by Step Solution

1. Step 1: Write the proportion equation
   3,790,468 : 8,210,792 = 8,210,792 : x
2. Step 2: Convert to fraction form
   3,790,468/8,210,792 = 8,210,792/x
3. Step 3: Cross multiply
   3,790,468x = 8,210,792 × 8,210,792
4. Step 4: Simplify right side
   3,790,468x = 67,417,105,267,264
5. Step 5: Solve for x
   x = 67,417,105,267,264/3,790,468
6. Step 6: Final answer
   x = 17,785,958.16