Finding the Third Proportional to 2,118,898.50 and 4,599,012

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118,898.50 : 4,599,012 = 4,599,012 : x
2. Step 2: Convert to fraction form
   2,118,898.50/4,599,012 = 4,599,012/x
3. Step 3: Cross multiply
   2,118,898.50x = 4,599,012 × 4,599,012
4. Step 4: Simplify right side
   2,118,898.50x = 21,150,911,376,144
5. Step 5: Solve for x
   x = 21,150,911,376,144/2,118,898.50
6. Step 6: Final answer
   x = 9,982,031.41