Finding the Third Proportional to 2,231,347 and 4,580,309

Step by Step Solution

1. Step 1: Write the proportion equation
   2,231,347 : 4,580,309 = 4,580,309 : x
2. Step 2: Convert to fraction form
   2,231,347/4,580,309 = 4,580,309/x
3. Step 3: Cross multiply
   2,231,347x = 4,580,309 × 4,580,309
4. Step 4: Simplify right side
   2,231,347x = 20,979,230,535,481
5. Step 5: Solve for x
   x = 20,979,230,535,481/2,231,347
6. Step 6: Final answer
   x = 9,402,047.52