Finding the Third Proportional to 3,867,312 and 8,294,208

Step by Step Solution

1. Step 1: Write the proportion equation
   3,867,312 : 8,294,208 = 8,294,208 : x
2. Step 2: Convert to fraction form
   3,867,312/8,294,208 = 8,294,208/x
3. Step 3: Cross multiply
   3,867,312x = 8,294,208 × 8,294,208
4. Step 4: Simplify right side
   3,867,312x = 68,793,886,347,264
5. Step 5: Solve for x
   x = 68,793,886,347,264/3,867,312
6. Step 6: Final answer
   x = 17,788,553.48