Finding the Third Proportional to 2,199,321 and 3,220,248

Step by Step Solution

1. Step 1: Write the proportion equation
   2,199,321 : 3,220,248 = 3,220,248 : x
2. Step 2: Convert to fraction form
   2,199,321/3,220,248 = 3,220,248/x
3. Step 3: Cross multiply
   2,199,321x = 3,220,248 × 3,220,248
4. Step 4: Simplify right side
   2,199,321x = 10,369,997,181,504
5. Step 5: Solve for x
   x = 10,369,997,181,504/2,199,321
6. Step 6: Final answer
   x = 4,715,090.33