Finding the Third Proportional to 3,671,678 and 7,953,340

Step by Step Solution

1. Step 1: Write the proportion equation
   3,671,678 : 7,953,340 = 7,953,340 : x
2. Step 2: Convert to fraction form
   3,671,678/7,953,340 = 7,953,340/x
3. Step 3: Cross multiply
   3,671,678x = 7,953,340 × 7,953,340
4. Step 4: Simplify right side
   3,671,678x = 63,255,617,155,600
5. Step 5: Solve for x
   x = 63,255,617,155,600/3,671,678
6. Step 6: Final answer
   x = 17,227,985.99