Finding the Third Proportional to 699,126 and 1,069,065

Step by Step Solution

1. Step 1: Write the proportion equation
   699,126 : 1,069,065 = 1,069,065 : x
2. Step 2: Convert to fraction form
   699,126/1,069,065 = 1,069,065/x
3. Step 3: Cross multiply
   699,126x = 1,069,065 × 1,069,065
4. Step 4: Simplify right side
   699,126x = 1,142,899,974,225
5. Step 5: Solve for x
   x = 1,142,899,974,225/699,126
6. Step 6: Final answer
   x = 1,634,755.36