Finding the Third Proportional to 294,460.50 and 453,240

Step by Step Solution

1. Step 1: Write the proportion equation
   294,460.50 : 453,240 = 453,240 : x
2. Step 2: Convert to fraction form
   294,460.50/453,240 = 453,240/x
3. Step 3: Cross multiply
   294,460.50x = 453,240 × 453,240
4. Step 4: Simplify right side
   294,460.50x = 205,426,497,600
5. Step 5: Solve for x
   x = 205,426,497,600/294,460.50
6. Step 6: Final answer
   x = 697,636.86