Finding the Third Proportional to 3,499,776 and 5,398,906.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,499,776 : 5,398,906.50 = 5,398,906.50 : x
2. Step 2: Convert to fraction form
   3,499,776/5,398,906.50 = 5,398,906.50/x
3. Step 3: Cross multiply
   3,499,776x = 5,398,906.50 × 5,398,906.50
4. Step 4: Simplify right side
   3,499,776x = 29,148,191,395,742.25
5. Step 5: Solve for x
   x = 29,148,191,395,742.25/3,499,776
6. Step 6: Final answer
   x = 8,328,587.71