Finding the Third Proportional to 3,790,470 and 8,210,796

Step by Step Solution

1. Step 1: Write the proportion equation
   3,790,470 : 8,210,796 = 8,210,796 : x
2. Step 2: Convert to fraction form
   3,790,470/8,210,796 = 8,210,796/x
3. Step 3: Cross multiply
   3,790,470x = 8,210,796 × 8,210,796
4. Step 4: Simplify right side
   3,790,470x = 67,417,170,953,616
5. Step 5: Solve for x
   x = 67,417,170,953,616/3,790,470
6. Step 6: Final answer
   x = 17,785,966.11