Finding the Third Proportional to 77,384.50 and 104,406.50

Step by Step Solution

1. Step 1: Write the proportion equation
   77,384.50 : 104,406.50 = 104,406.50 : x
2. Step 2: Convert to fraction form
   77,384.50/104,406.50 = 104,406.50/x
3. Step 3: Cross multiply
   77,384.50x = 104,406.50 × 104,406.50
4. Step 4: Simplify right side
   77,384.50x = 10,900,717,242.25
5. Step 5: Solve for x
   x = 10,900,717,242.25/77,384.50
6. Step 6: Final answer
   x = 140,864.35