Finding the Third Proportional to 2,193,564 and 4,666,488

Step by Step Solution

1. Step 1: Write the proportion equation
   2,193,564 : 4,666,488 = 4,666,488 : x
2. Step 2: Convert to fraction form
   2,193,564/4,666,488 = 4,666,488/x
3. Step 3: Cross multiply
   2,193,564x = 4,666,488 × 4,666,488
4. Step 4: Simplify right side
   2,193,564x = 21,776,110,254,144
5. Step 5: Solve for x
   x = 21,776,110,254,144/2,193,564
6. Step 6: Final answer
   x = 9,927,273.72