Finding the Third Proportional to 3,893,499 and 8,386,047

Step by Step Solution

1. Step 1: Write the proportion equation
   3,893,499 : 8,386,047 = 8,386,047 : x
2. Step 2: Convert to fraction form
   3,893,499/8,386,047 = 8,386,047/x
3. Step 3: Cross multiply
   3,893,499x = 8,386,047 × 8,386,047
4. Step 4: Simplify right side
   3,893,499x = 70,325,784,286,209
5. Step 5: Solve for x
   x = 70,325,784,286,209/3,893,499
6. Step 6: Final answer
   x = 18,062,360.95