Finding the Third Proportional to 1,619,664 and 3,749,624

Step by Step Solution

1. Step 1: Write the proportion equation
   1,619,664 : 3,749,624 = 3,749,624 : x
2. Step 2: Convert to fraction form
   1,619,664/3,749,624 = 3,749,624/x
3. Step 3: Cross multiply
   1,619,664x = 3,749,624 × 3,749,624
4. Step 4: Simplify right side
   1,619,664x = 14,059,680,141,376
5. Step 5: Solve for x
   x = 14,059,680,141,376/1,619,664
6. Step 6: Final answer
   x = 8,680,615.33