Finding the Third Proportional to 182,501 and 390,222

Step by Step Solution

1. Step 1: Write the proportion equation
   182,501 : 390,222 = 390,222 : x
2. Step 2: Convert to fraction form
   182,501/390,222 = 390,222/x
3. Step 3: Cross multiply
   182,501x = 390,222 × 390,222
4. Step 4: Simplify right side
   182,501x = 152,273,209,284
5. Step 5: Solve for x
   x = 152,273,209,284/182,501
6. Step 6: Final answer
   x = 834,369.18