Finding the Third Proportional to 2,115,481 and 4,650,866

Step by Step Solution

1. Step 1: Write the proportion equation
   2,115,481 : 4,650,866 = 4,650,866 : x
2. Step 2: Convert to fraction form
   2,115,481/4,650,866 = 4,650,866/x
3. Step 3: Cross multiply
   2,115,481x = 4,650,866 × 4,650,866
4. Step 4: Simplify right side
   2,115,481x = 21,630,554,549,956
5. Step 5: Solve for x
   x = 21,630,554,549,956/2,115,481
6. Step 6: Final answer
   x = 10,224,887.18