Finding the Third Proportional to 28,400.63 and 60,507

Step by Step Solution

1. Step 1: Write the proportion equation
   28,400.63 : 60,507 = 60,507 : x
2. Step 2: Convert to fraction form
   28,400.63/60,507 = 60,507/x
3. Step 3: Cross multiply
   28,400.63x = 60,507 × 60,507
4. Step 4: Simplify right side
   28,400.63x = 3,661,097,049
5. Step 5: Solve for x
   x = 3,661,097,049/28,400.63
6. Step 6: Final answer
   x = 128,909.03