Finding the Third Proportional to 785,316 and 1,709,685

Step by Step Solution

1. Step 1: Write the proportion equation
   785,316 : 1,709,685 = 1,709,685 : x
2. Step 2: Convert to fraction form
   785,316/1,709,685 = 1,709,685/x
3. Step 3: Cross multiply
   785,316x = 1,709,685 × 1,709,685
4. Step 4: Simplify right side
   785,316x = 2,923,022,799,225
5. Step 5: Solve for x
   x = 2,923,022,799,225/785,316
6. Step 6: Final answer
   x = 3,722,097.60