Finding the Third Proportional to 120,862.50 and 265,053

Step by Step Solution

1. Step 1: Write the proportion equation
   120,862.50 : 265,053 = 265,053 : x
2. Step 2: Convert to fraction form
   120,862.50/265,053 = 265,053/x
3. Step 3: Cross multiply
   120,862.50x = 265,053 × 265,053
4. Step 4: Simplify right side
   120,862.50x = 70,253,092,809
5. Step 5: Solve for x
   x = 70,253,092,809/120,862.50
6. Step 6: Final answer
   x = 581,264.60