Finding the Third Proportional to 175,498.31 and 264,817.69

Step by Step Solution

1. Step 1: Write the proportion equation
   175,498.31 : 264,817.69 = 264,817.69 : x
2. Step 2: Convert to fraction form
   175,498.31/264,817.69 = 264,817.69/x
3. Step 3: Cross multiply
   175,498.31x = 264,817.69 × 264,817.69
4. Step 4: Simplify right side
   175,498.31x = 70,128,407,612.85
5. Step 5: Solve for x
   x = 70,128,407,612.85/175,498.31
6. Step 6: Final answer
   x = 399,595.91