Finding the Third Proportional to 2,129,126 and 4,536,976

Step by Step Solution

1. Step 1: Write the proportion equation
   2,129,126 : 4,536,976 = 4,536,976 : x
2. Step 2: Convert to fraction form
   2,129,126/4,536,976 = 4,536,976/x
3. Step 3: Cross multiply
   2,129,126x = 4,536,976 × 4,536,976
4. Step 4: Simplify right side
   2,129,126x = 20,584,151,224,576
5. Step 5: Solve for x
   x = 20,584,151,224,576/2,129,126
6. Step 6: Final answer
   x = 9,667,887.77