Finding the Third Proportional to 1,916,188 and 4,172,575

Step by Step Solution

1. Step 1: Write the proportion equation
   1,916,188 : 4,172,575 = 4,172,575 : x
2. Step 2: Convert to fraction form
   1,916,188/4,172,575 = 4,172,575/x
3. Step 3: Cross multiply
   1,916,188x = 4,172,575 × 4,172,575
4. Step 4: Simplify right side
   1,916,188x = 17,410,382,130,625
5. Step 5: Solve for x
   x = 17,410,382,130,625/1,916,188
6. Step 6: Final answer
   x = 9,085,946.75