Finding the Third Proportional to 3,779,471 and 8,188,798

Step by Step Solution

1. Step 1: Write the proportion equation
   3,779,471 : 8,188,798 = 8,188,798 : x
2. Step 2: Convert to fraction form
   3,779,471/8,188,798 = 8,188,798/x
3. Step 3: Cross multiply
   3,779,471x = 8,188,798 × 8,188,798
4. Step 4: Simplify right side
   3,779,471x = 67,056,412,684,804
5. Step 5: Solve for x
   x = 67,056,412,684,804/3,779,471
6. Step 6: Final answer
   x = 17,742,274.70