Finding the Third Proportional to 182,494.50 and 390,210

Step by Step Solution

1. Step 1: Write the proportion equation
   182,494.50 : 390,210 = 390,210 : x
2. Step 2: Convert to fraction form
   182,494.50/390,210 = 390,210/x
3. Step 3: Cross multiply
   182,494.50x = 390,210 × 390,210
4. Step 4: Simplify right side
   182,494.50x = 152,263,844,100
5. Step 5: Solve for x
   x = 152,263,844,100/182,494.50
6. Step 6: Final answer
   x = 834,347.58