Finding the Third Proportional to 470,643 and 969,139.50

Step by Step Solution

1. Step 1: Write the proportion equation
   470,643 : 969,139.50 = 969,139.50 : x
2. Step 2: Convert to fraction form
   470,643/969,139.50 = 969,139.50/x
3. Step 3: Cross multiply
   470,643x = 969,139.50 × 969,139.50
4. Step 4: Simplify right side
   470,643x = 939,231,370,460.25
5. Step 5: Solve for x
   x = 939,231,370,460.25/470,643
6. Step 6: Final answer
   x = 1,995,634.42