Finding the Third Proportional to 161,839 and 359,047

Step by Step Solution

1. Step 1: Write the proportion equation
   161,839 : 359,047 = 359,047 : x
2. Step 2: Convert to fraction form
   161,839/359,047 = 359,047/x
3. Step 3: Cross multiply
   161,839x = 359,047 × 359,047
4. Step 4: Simplify right side
   161,839x = 128,914,748,209
5. Step 5: Solve for x
   x = 128,914,748,209/161,839
6. Step 6: Final answer
   x = 796,561.70