Finding the Third Proportional to 545,730 and 1,118,508

Step by Step Solution

1. Step 1: Write the proportion equation
   545,730 : 1,118,508 = 1,118,508 : x
2. Step 2: Convert to fraction form
   545,730/1,118,508 = 1,118,508/x
3. Step 3: Cross multiply
   545,730x = 1,118,508 × 1,118,508
4. Step 4: Simplify right side
   545,730x = 1,251,060,146,064
5. Step 5: Solve for x
   x = 1,251,060,146,064/545,730
6. Step 6: Final answer
   x = 2,292,452.58