Finding the Third Proportional to 179,373 and 390,274.50

Step by Step Solution

1. Step 1: Write the proportion equation
   179,373 : 390,274.50 = 390,274.50 : x
2. Step 2: Convert to fraction form
   179,373/390,274.50 = 390,274.50/x
3. Step 3: Cross multiply
   179,373x = 390,274.50 × 390,274.50
4. Step 4: Simplify right side
   179,373x = 152,314,185,350.25
5. Step 5: Solve for x
   x = 152,314,185,350.25/179,373
6. Step 6: Final answer
   x = 849,147.78