Finding the Third Proportional to 518,738 and 1,146,340

Step by Step Solution

1. Step 1: Write the proportion equation
   518,738 : 1,146,340 = 1,146,340 : x
2. Step 2: Convert to fraction form
   518,738/1,146,340 = 1,146,340/x
3. Step 3: Cross multiply
   518,738x = 1,146,340 × 1,146,340
4. Step 4: Simplify right side
   518,738x = 1,314,095,395,600
5. Step 5: Solve for x
   x = 1,314,095,395,600/518,738
6. Step 6: Final answer
   x = 2,533,254.54