Finding the Third Proportional to 3,505,673 and 5,385,141

Step by Step Solution

1. Step 1: Write the proportion equation
   3,505,673 : 5,385,141 = 5,385,141 : x
2. Step 2: Convert to fraction form
   3,505,673/5,385,141 = 5,385,141/x
3. Step 3: Cross multiply
   3,505,673x = 5,385,141 × 5,385,141
4. Step 4: Simplify right side
   3,505,673x = 28,999,743,589,881
5. Step 5: Solve for x
   x = 28,999,743,589,881/3,505,673
6. Step 6: Final answer
   x = 8,272,232.92