Finding the Third Proportional to 1,919,692 and 4,200,964

Step by Step Solution

1. Step 1: Write the proportion equation
   1,919,692 : 4,200,964 = 4,200,964 : x
2. Step 2: Convert to fraction form
   1,919,692/4,200,964 = 4,200,964/x
3. Step 3: Cross multiply
   1,919,692x = 4,200,964 × 4,200,964
4. Step 4: Simplify right side
   1,919,692x = 17,648,098,529,296
5. Step 5: Solve for x
   x = 17,648,098,529,296/1,919,692
6. Step 6: Final answer
   x = 9,193,192.73