Finding the Third Proportional to 163,875.75 and 357,540

Step by Step Solution

1. Step 1: Write the proportion equation
   163,875.75 : 357,540 = 357,540 : x
2. Step 2: Convert to fraction form
   163,875.75/357,540 = 357,540/x
3. Step 3: Cross multiply
   163,875.75x = 357,540 × 357,540
4. Step 4: Simplify right side
   163,875.75x = 127,834,851,600
5. Step 5: Solve for x
   x = 127,834,851,600/163,875.75
6. Step 6: Final answer
   x = 780,071.80