Finding the Third Proportional to 3,720,424 and 5,607,964

Step by Step Solution

1. Step 1: Write the proportion equation
   3,720,424 : 5,607,964 = 5,607,964 : x
2. Step 2: Convert to fraction form
   3,720,424/5,607,964 = 5,607,964/x
3. Step 3: Cross multiply
   3,720,424x = 5,607,964 × 5,607,964
4. Step 4: Simplify right side
   3,720,424x = 31,449,260,225,296
5. Step 5: Solve for x
   x = 31,449,260,225,296/3,720,424
6. Step 6: Final answer
   x = 8,453,138.74