Finding the Third Proportional to 164,931.19 and 359,371.69

Step by Step Solution

1. Step 1: Write the proportion equation
   164,931.19 : 359,371.69 = 359,371.69 : x
2. Step 2: Convert to fraction form
   164,931.19/359,371.69 = 359,371.69/x
3. Step 3: Cross multiply
   164,931.19x = 359,371.69 × 359,371.69
4. Step 4: Simplify right side
   164,931.19x = 129,148,009,776.60
5. Step 5: Solve for x
   x = 129,148,009,776.60/164,931.19
6. Step 6: Final answer
   x = 783,041.77