Finding the Third Proportional to 2,978,670 and 4,602,807

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978,670 : 4,602,807 = 4,602,807 : x
2. Step 2: Convert to fraction form
   2,978,670/4,602,807 = 4,602,807/x
3. Step 3: Cross multiply
   2,978,670x = 4,602,807 × 4,602,807
4. Step 4: Simplify right side
   2,978,670x = 21,185,832,279,249
5. Step 5: Solve for x
   x = 21,185,832,279,249/2,978,670
6. Step 6: Final answer
   x = 7,112,514.07