Finding the Third Proportional to 164,075.25 and 253,113

Step by Step Solution

1. Step 1: Write the proportion equation
   164,075.25 : 253,113 = 253,113 : x
2. Step 2: Convert to fraction form
   164,075.25/253,113 = 253,113/x
3. Step 3: Cross multiply
   164,075.25x = 253,113 × 253,113
4. Step 4: Simplify right side
   164,075.25x = 64,066,190,769
5. Step 5: Solve for x
   x = 64,066,190,769/164,075.25
6. Step 6: Final answer
   x = 390,468.34