Finding the Third Proportional to 764,508 and 1,069,290

Step by Step Solution

1. Step 1: Write the proportion equation
   764,508 : 1,069,290 = 1,069,290 : x
2. Step 2: Convert to fraction form
   764,508/1,069,290 = 1,069,290/x
3. Step 3: Cross multiply
   764,508x = 1,069,290 × 1,069,290
4. Step 4: Simplify right side
   764,508x = 1,143,381,104,100
5. Step 5: Solve for x
   x = 1,143,381,104,100/764,508
6. Step 6: Final answer
   x = 1,495,577.68