Finding the Third Proportional to 2,931,668 and 4,484,688

Step by Step Solution

1. Step 1: Write the proportion equation
   2,931,668 : 4,484,688 = 4,484,688 : x
2. Step 2: Convert to fraction form
   2,931,668/4,484,688 = 4,484,688/x
3. Step 3: Cross multiply
   2,931,668x = 4,484,688 × 4,484,688
4. Step 4: Simplify right side
   2,931,668x = 20,112,426,457,344
5. Step 5: Solve for x
   x = 20,112,426,457,344/2,931,668
6. Step 6: Final answer
   x = 6,860,403.86