Finding the Third Proportional to 591,819.75 and 915,354

Step by Step Solution

1. Step 1: Write the proportion equation
   591,819.75 : 915,354 = 915,354 : x
2. Step 2: Convert to fraction form
   591,819.75/915,354 = 915,354/x
3. Step 3: Cross multiply
   591,819.75x = 915,354 × 915,354
4. Step 4: Simplify right side
   591,819.75x = 837,872,945,316
5. Step 5: Solve for x
   x = 837,872,945,316/591,819.75
6. Step 6: Final answer
   x = 1,415,756.99