Finding the Third Proportional to 182,488.50 and 390,195

Step by Step Solution

1. Step 1: Write the proportion equation
   182,488.50 : 390,195 = 390,195 : x
2. Step 2: Convert to fraction form
   182,488.50/390,195 = 390,195/x
3. Step 3: Cross multiply
   182,488.50x = 390,195 × 390,195
4. Step 4: Simplify right side
   182,488.50x = 152,252,138,025
5. Step 5: Solve for x
   x = 152,252,138,025/182,488.50
6. Step 6: Final answer
   x = 834,310.86