Finding the Third Proportional to 2,428,428 and 5,329,248

Step by Step Solution

1. Step 1: Write the proportion equation
   2,428,428 : 5,329,248 = 5,329,248 : x
2. Step 2: Convert to fraction form
   2,428,428/5,329,248 = 5,329,248/x
3. Step 3: Cross multiply
   2,428,428x = 5,329,248 × 5,329,248
4. Step 4: Simplify right side
   2,428,428x = 28,400,884,245,504
5. Step 5: Solve for x
   x = 28,400,884,245,504/2,428,428
6. Step 6: Final answer
   x = 11,695,172.45