Finding the Third Proportional to 715,436 and 1,516,165

Step by Step Solution

1. Step 1: Write the proportion equation
   715,436 : 1,516,165 = 1,516,165 : x
2. Step 2: Convert to fraction form
   715,436/1,516,165 = 1,516,165/x
3. Step 3: Cross multiply
   715,436x = 1,516,165 × 1,516,165
4. Step 4: Simplify right side
   715,436x = 2,298,756,307,225
5. Step 5: Solve for x
   x = 2,298,756,307,225/715,436
6. Step 6: Final answer
   x = 3,213,084.48