Finding the Third Proportional to 376,515 and 573,595.50

Step by Step Solution

1. Step 1: Write the proportion equation
   376,515 : 573,595.50 = 573,595.50 : x
2. Step 2: Convert to fraction form
   376,515/573,595.50 = 573,595.50/x
3. Step 3: Cross multiply
   376,515x = 573,595.50 × 573,595.50
4. Step 4: Simplify right side
   376,515x = 329,011,797,620.25
5. Step 5: Solve for x
   x = 329,011,797,620.25/376,515
6. Step 6: Final answer
   x = 873,834.50