Finding the Third Proportional to 1,000,749 and 2,188,392

Step by Step Solution

1. Step 1: Write the proportion equation
   1,000,749 : 2,188,392 = 2,188,392 : x
2. Step 2: Convert to fraction form
   1,000,749/2,188,392 = 2,188,392/x
3. Step 3: Cross multiply
   1,000,749x = 2,188,392 × 2,188,392
4. Step 4: Simplify right side
   1,000,749x = 4,789,059,545,664
5. Step 5: Solve for x
   x = 4,789,059,545,664/1,000,749
6. Step 6: Final answer
   x = 4,785,475.22