Finding the Third Proportional to 176,656.50 and 386,316

Step by Step Solution

1. Step 1: Write the proportion equation
   176,656.50 : 386,316 = 386,316 : x
2. Step 2: Convert to fraction form
   176,656.50/386,316 = 386,316/x
3. Step 3: Cross multiply
   176,656.50x = 386,316 × 386,316
4. Step 4: Simplify right side
   176,656.50x = 149,240,051,856
5. Step 5: Solve for x
   x = 149,240,051,856/176,656.50
6. Step 6: Final answer
   x = 844,803.63