Finding the Third Proportional to 28,090.50 and 60,312

Step by Step Solution

1. Step 1: Write the proportion equation
   28,090.50 : 60,312 = 60,312 : x
2. Step 2: Convert to fraction form
   28,090.50/60,312 = 60,312/x
3. Step 3: Cross multiply
   28,090.50x = 60,312 × 60,312
4. Step 4: Simplify right side
   28,090.50x = 3,637,537,344
5. Step 5: Solve for x
   x = 3,637,537,344/28,090.50
6. Step 6: Final answer
   x = 129,493.51