Finding the Third Proportional to 1,919,128 and 4,103,984

Step by Step Solution

1. Step 1: Write the proportion equation
   1,919,128 : 4,103,984 = 4,103,984 : x
2. Step 2: Convert to fraction form
   1,919,128/4,103,984 = 4,103,984/x
3. Step 3: Cross multiply
   1,919,128x = 4,103,984 × 4,103,984
4. Step 4: Simplify right side
   1,919,128x = 16,842,684,672,256
5. Step 5: Solve for x
   x = 16,842,684,672,256/1,919,128
6. Step 6: Final answer
   x = 8,776,217.47