Finding the Third Proportional to 409,387.50 and 888,354

Step by Step Solution

1. Step 1: Write the proportion equation
   409,387.50 : 888,354 = 888,354 : x
2. Step 2: Convert to fraction form
   409,387.50/888,354 = 888,354/x
3. Step 3: Cross multiply
   409,387.50x = 888,354 × 888,354
4. Step 4: Simplify right side
   409,387.50x = 789,172,829,316
5. Step 5: Solve for x
   x = 789,172,829,316/409,387.50
6. Step 6: Final answer
   x = 1,927,691.56