Finding the Third Proportional to 1,207,242 and 2,558,394

Step by Step Solution

1. Step 1: Write the proportion equation
   1,207,242 : 2,558,394 = 2,558,394 : x
2. Step 2: Convert to fraction form
   1,207,242/2,558,394 = 2,558,394/x
3. Step 3: Cross multiply
   1,207,242x = 2,558,394 × 2,558,394
4. Step 4: Simplify right side
   1,207,242x = 6,545,379,859,236
5. Step 5: Solve for x
   x = 6,545,379,859,236/1,207,242
6. Step 6: Final answer
   x = 5,421,762.88