Finding the Third Proportional to 3,945,196 and 8,499,838

Step by Step Solution

1. Step 1: Write the proportion equation
   3,945,196 : 8,499,838 = 8,499,838 : x
2. Step 2: Convert to fraction form
   3,945,196/8,499,838 = 8,499,838/x
3. Step 3: Cross multiply
   3,945,196x = 8,499,838 × 8,499,838
4. Step 4: Simplify right side
   3,945,196x = 72,247,246,026,244
5. Step 5: Solve for x
   x = 72,247,246,026,244/3,945,196
6. Step 6: Final answer
   x = 18,312,714.00