Finding the Third Proportional to 175,617 and 377,860.50

Step by Step Solution

1. Step 1: Write the proportion equation
   175,617 : 377,860.50 = 377,860.50 : x
2. Step 2: Convert to fraction form
   175,617/377,860.50 = 377,860.50/x
3. Step 3: Cross multiply
   175,617x = 377,860.50 × 377,860.50
4. Step 4: Simplify right side
   175,617x = 142,778,557,460.25
5. Step 5: Solve for x
   x = 142,778,557,460.25/175,617
6. Step 6: Final answer
   x = 813,011.03