Finding the Third Proportional to 3,388,520 and 7,268,382

Step by Step Solution

1. Step 1: Write the proportion equation
   3,388,520 : 7,268,382 = 7,268,382 : x
2. Step 2: Convert to fraction form
   3,388,520/7,268,382 = 7,268,382/x
3. Step 3: Cross multiply
   3,388,520x = 7,268,382 × 7,268,382
4. Step 4: Simplify right side
   3,388,520x = 52,829,376,897,924
5. Step 5: Solve for x
   x = 52,829,376,897,924/3,388,520
6. Step 6: Final answer
   x = 15,590,693.55