Finding the Third Proportional to 3,945,192 and 8,499,829.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,945,192 : 8,499,829.50 = 8,499,829.50 : x
2. Step 2: Convert to fraction form
   3,945,192/8,499,829.50 = 8,499,829.50/x
3. Step 3: Cross multiply
   3,945,192x = 8,499,829.50 × 8,499,829.50
4. Step 4: Simplify right side
   3,945,192x = 72,247,101,529,070.25
5. Step 5: Solve for x
   x = 72,247,101,529,070.25/3,945,192
6. Step 6: Final answer
   x = 18,312,695.94