Finding the Third Proportional to 3,709,186 and 7,908,312

Step by Step Solution

1. Step 1: Write the proportion equation
   3,709,186 : 7,908,312 = 7,908,312 : x
2. Step 2: Convert to fraction form
   3,709,186/7,908,312 = 7,908,312/x
3. Step 3: Cross multiply
   3,709,186x = 7,908,312 × 7,908,312
4. Step 4: Simplify right side
   3,709,186x = 62,541,398,689,344
5. Step 5: Solve for x
   x = 62,541,398,689,344/3,709,186
6. Step 6: Final answer
   x = 16,861,219.33