Finding the Third Proportional to 764,506 and 1,069,287

Step by Step Solution

1. Step 1: Write the proportion equation
   764,506 : 1,069,287 = 1,069,287 : x
2. Step 2: Convert to fraction form
   764,506/1,069,287 = 1,069,287/x
3. Step 3: Cross multiply
   764,506x = 1,069,287 × 1,069,287
4. Step 4: Simplify right side
   764,506x = 1,143,374,688,369
5. Step 5: Solve for x
   x = 1,143,374,688,369/764,506
6. Step 6: Final answer
   x = 1,495,573.20