Finding the Third Proportional to 2,978,652 and 4,602,775

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978,652 : 4,602,775 = 4,602,775 : x
2. Step 2: Convert to fraction form
   2,978,652/4,602,775 = 4,602,775/x
3. Step 3: Cross multiply
   2,978,652x = 4,602,775 × 4,602,775
4. Step 4: Simplify right side
   2,978,652x = 21,185,537,700,625
5. Step 5: Solve for x
   x = 21,185,537,700,625/2,978,652
6. Step 6: Final answer
   x = 7,112,458.15