Finding the Third Proportional to 1,939,827 and 4,215,414

Step by Step Solution

1. Step 1: Write the proportion equation
   1,939,827 : 4,215,414 = 4,215,414 : x
2. Step 2: Convert to fraction form
   1,939,827/4,215,414 = 4,215,414/x
3. Step 3: Cross multiply
   1,939,827x = 4,215,414 × 4,215,414
4. Step 4: Simplify right side
   1,939,827x = 17,769,715,191,396
5. Step 5: Solve for x
   x = 17,769,715,191,396/1,939,827
6. Step 6: Final answer
   x = 9,160,463.89