Finding the Third Proportional to 4,187,154 and 9,069,894

Step by Step Solution

1. Step 1: Write the proportion equation
   4,187,154 : 9,069,894 = 9,069,894 : x
2. Step 2: Convert to fraction form
   4,187,154/9,069,894 = 9,069,894/x
3. Step 3: Cross multiply
   4,187,154x = 9,069,894 × 9,069,894
4. Step 4: Simplify right side
   4,187,154x = 82,262,977,171,236
5. Step 5: Solve for x
   x = 82,262,977,171,236/4,187,154
6. Step 6: Final answer
   x = 19,646,513.40