Finding the Third Proportional to 2,991,196 and 4,640,443

Step by Step Solution

1. Step 1: Write the proportion equation
   2,991,196 : 4,640,443 = 4,640,443 : x
2. Step 2: Convert to fraction form
   2,991,196/4,640,443 = 4,640,443/x
3. Step 3: Cross multiply
   2,991,196x = 4,640,443 × 4,640,443
4. Step 4: Simplify right side
   2,991,196x = 21,533,711,236,249
5. Step 5: Solve for x
   x = 21,533,711,236,249/2,991,196
6. Step 6: Final answer
   x = 7,199,030.50