Finding the Third Proportional to 809,068.50 and 1,165,428

Step by Step Solution

1. Step 1: Write the proportion equation
   809,068.50 : 1,165,428 = 1,165,428 : x
2. Step 2: Convert to fraction form
   809,068.50/1,165,428 = 1,165,428/x
3. Step 3: Cross multiply
   809,068.50x = 1,165,428 × 1,165,428
4. Step 4: Simplify right side
   809,068.50x = 1,358,222,423,184
5. Step 5: Solve for x
   x = 1,358,222,423,184/809,068.50
6. Step 6: Final answer
   x = 1,678,748.37