Finding the Third Proportional to 355,118 and 762,940

Step by Step Solution

1. Step 1: Write the proportion equation
   355,118 : 762,940 = 762,940 : x
2. Step 2: Convert to fraction form
   355,118/762,940 = 762,940/x
3. Step 3: Cross multiply
   355,118x = 762,940 × 762,940
4. Step 4: Simplify right side
   355,118x = 582,077,443,600
5. Step 5: Solve for x
   x = 582,077,443,600/355,118
6. Step 6: Final answer
   x = 1,639,109.94