Finding the Third Proportional to 1,115,460 and 2,290,248

Step by Step Solution

1. Step 1: Write the proportion equation
   1,115,460 : 2,290,248 = 2,290,248 : x
2. Step 2: Convert to fraction form
   1,115,460/2,290,248 = 2,290,248/x
3. Step 3: Cross multiply
   1,115,460x = 2,290,248 × 2,290,248
4. Step 4: Simplify right side
   1,115,460x = 5,245,235,901,504
5. Step 5: Solve for x
   x = 5,245,235,901,504/1,115,460
6. Step 6: Final answer
   x = 4,702,307.48