Finding the Third Proportional to 602,316 and 886,819.50

Step by Step Solution

1. Step 1: Write the proportion equation
   602,316 : 886,819.50 = 886,819.50 : x
2. Step 2: Convert to fraction form
   602,316/886,819.50 = 886,819.50/x
3. Step 3: Cross multiply
   602,316x = 886,819.50 × 886,819.50
4. Step 4: Simplify right side
   602,316x = 786,448,825,580.25
5. Step 5: Solve for x
   x = 786,448,825,580.25/602,316
6. Step 6: Final answer
   x = 1,305,708.01