Finding the Third Proportional to 3,655,224 and 7,920,624

Step by Step Solution

1. Step 1: Write the proportion equation
   3,655,224 : 7,920,624 = 7,920,624 : x
2. Step 2: Convert to fraction form
   3,655,224/7,920,624 = 7,920,624/x
3. Step 3: Cross multiply
   3,655,224x = 7,920,624 × 7,920,624
4. Step 4: Simplify right side
   3,655,224x = 62,736,284,549,376
5. Step 5: Solve for x
   x = 62,736,284,549,376/3,655,224
6. Step 6: Final answer
   x = 17,163,458.26