Finding the Third Proportional to 181,797 and 390,580.50

Step by Step Solution

1. Step 1: Write the proportion equation
   181,797 : 390,580.50 = 390,580.50 : x
2. Step 2: Convert to fraction form
   181,797/390,580.50 = 390,580.50/x
3. Step 3: Cross multiply
   181,797x = 390,580.50 × 390,580.50
4. Step 4: Simplify right side
   181,797x = 152,553,126,980.25
5. Step 5: Solve for x
   x = 152,553,126,980.25/181,797
6. Step 6: Final answer
   x = 839,139.96