Finding the Third Proportional to 1,307,124 and 1,980,248

Step by Step Solution

1. Step 1: Write the proportion equation
   1,307,124 : 1,980,248 = 1,980,248 : x
2. Step 2: Convert to fraction form
   1,307,124/1,980,248 = 1,980,248/x
3. Step 3: Cross multiply
   1,307,124x = 1,980,248 × 1,980,248
4. Step 4: Simplify right side
   1,307,124x = 3,921,382,141,504
5. Step 5: Solve for x
   x = 3,921,382,141,504/1,307,124
6. Step 6: Final answer
   x = 3,000,007.76