Finding the Third Proportional to 3,658,314 and 7,878,513

Step by Step Solution

1. Step 1: Write the proportion equation
   3,658,314 : 7,878,513 = 7,878,513 : x
2. Step 2: Convert to fraction form
   3,658,314/7,878,513 = 7,878,513/x
3. Step 3: Cross multiply
   3,658,314x = 7,878,513 × 7,878,513
4. Step 4: Simplify right side
   3,658,314x = 62,070,967,091,169
5. Step 5: Solve for x
   x = 62,070,967,091,169/3,658,314
6. Step 6: Final answer
   x = 16,967,096.62