Finding the Third Proportional to 164,075.63 and 253,113.38

Step by Step Solution

1. Step 1: Write the proportion equation
   164,075.63 : 253,113.38 = 253,113.38 : x
2. Step 2: Convert to fraction form
   164,075.63/253,113.38 = 253,113.38/x
3. Step 3: Cross multiply
   164,075.63x = 253,113.38 × 253,113.38
4. Step 4: Simplify right side
   164,075.63x = 64,066,380,603.89
5. Step 5: Solve for x
   x = 64,066,380,603.89/164,075.63
6. Step 6: Final answer
   x = 390,468.61