Finding the Third Proportional to 1,050,221 and 2,138,964

Step by Step Solution

1. Step 1: Write the proportion equation
   1,050,221 : 2,138,964 = 2,138,964 : x
2. Step 2: Convert to fraction form
   1,050,221/2,138,964 = 2,138,964/x
3. Step 3: Cross multiply
   1,050,221x = 2,138,964 × 2,138,964
4. Step 4: Simplify right side
   1,050,221x = 4,575,166,993,296
5. Step 5: Solve for x
   x = 4,575,166,993,296/1,050,221
6. Step 6: Final answer
   x = 4,356,384.98