Finding the Third Proportional to 617,186 and 1,346,404

Step by Step Solution

1. Step 1: Write the proportion equation
   617,186 : 1,346,404 = 1,346,404 : x
2. Step 2: Convert to fraction form
   617,186/1,346,404 = 1,346,404/x
3. Step 3: Cross multiply
   617,186x = 1,346,404 × 1,346,404
4. Step 4: Simplify right side
   617,186x = 1,812,803,731,216
5. Step 5: Solve for x
   x = 1,812,803,731,216/617,186
6. Step 6: Final answer
   x = 2,937,208.12