Finding the Third Proportional to 62,401.50 and 84,678.75

Step by Step Solution

1. Step 1: Write the proportion equation
   62,401.50 : 84,678.75 = 84,678.75 : x
2. Step 2: Convert to fraction form
   62,401.50/84,678.75 = 84,678.75/x
3. Step 3: Cross multiply
   62,401.50x = 84,678.75 × 84,678.75
4. Step 4: Simplify right side
   62,401.50x = 7,170,490,701.56
5. Step 5: Solve for x
   x = 7,170,490,701.56/62,401.50
6. Step 6: Final answer
   x = 114,908.95