Finding the Third Proportional to 174,558 and 376,672.50

Step by Step Solution

1. Step 1: Write the proportion equation
   174,558 : 376,672.50 = 376,672.50 : x
2. Step 2: Convert to fraction form
   174,558/376,672.50 = 376,672.50/x
3. Step 3: Cross multiply
   174,558x = 376,672.50 × 376,672.50
4. Step 4: Simplify right side
   174,558x = 141,882,172,256.25
5. Step 5: Solve for x
   x = 141,882,172,256.25/174,558
6. Step 6: Final answer
   x = 812,808.19