Finding the Third Proportional to 3,405,857.63 and 5,676,196.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,405,857.63 : 5,676,196.50 = 5,676,196.50 : x
2. Step 2: Convert to fraction form
   3,405,857.63/5,676,196.50 = 5,676,196.50/x
3. Step 3: Cross multiply
   3,405,857.63x = 5,676,196.50 × 5,676,196.50
4. Step 4: Simplify right side
   3,405,857.63x = 32,219,206,706,612.25
5. Step 5: Solve for x
   x = 32,219,206,706,612.25/3,405,857.63
6. Step 6: Final answer
   x = 9,459,939.39