Finding the Third Proportional to 696,680 and 1,042,316

Step by Step Solution

1. Step 1: Write the proportion equation
   696,680 : 1,042,316 = 1,042,316 : x
2. Step 2: Convert to fraction form
   696,680/1,042,316 = 1,042,316/x
3. Step 3: Cross multiply
   696,680x = 1,042,316 × 1,042,316
4. Step 4: Simplify right side
   696,680x = 1,086,422,643,856
5. Step 5: Solve for x
   x = 1,086,422,643,856/696,680
6. Step 6: Final answer
   x = 1,559,428.49