Finding the Third Proportional to 2,991,192 and 4,640,437

Step by Step Solution

1. Step 1: Write the proportion equation
   2,991,192 : 4,640,437 = 4,640,437 : x
2. Step 2: Convert to fraction form
   2,991,192/4,640,437 = 4,640,437/x
3. Step 3: Cross multiply
   2,991,192x = 4,640,437 × 4,640,437
4. Step 4: Simplify right side
   2,991,192x = 21,533,655,550,969
5. Step 5: Solve for x
   x = 21,533,655,550,969/2,991,192
6. Step 6: Final answer
   x = 7,199,021.51