Finding the Third Proportional to 78,461.25 and 100,741.88

Step by Step Solution

1. Step 1: Write the proportion equation
   78,461.25 : 100,741.88 = 100,741.88 : x
2. Step 2: Convert to fraction form
   78,461.25/100,741.88 = 100,741.88/x
3. Step 3: Cross multiply
   78,461.25x = 100,741.88 × 100,741.88
4. Step 4: Simplify right side
   78,461.25x = 10,148,925,378.52
5. Step 5: Solve for x
   x = 10,148,925,378.52/78,461.25
6. Step 6: Final answer
   x = 129,349.52