Finding the Third Proportional to 179,769 and 390,094.50

Step by Step Solution

1. Step 1: Write the proportion equation
   179,769 : 390,094.50 = 390,094.50 : x
2. Step 2: Convert to fraction form
   179,769/390,094.50 = 390,094.50/x
3. Step 3: Cross multiply
   179,769x = 390,094.50 × 390,094.50
4. Step 4: Simplify right side
   179,769x = 152,173,718,930.25
5. Step 5: Solve for x
   x = 152,173,718,930.25/179,769
6. Step 6: Final answer
   x = 846,495.89