Finding the Third Proportional to 58,025 and 78,289.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,025 : 78,289.50 = 78,289.50 : x
2. Step 2: Convert to fraction form
   58,025/78,289.50 = 78,289.50/x
3. Step 3: Cross multiply
   58,025x = 78,289.50 × 78,289.50
4. Step 4: Simplify right side
   58,025x = 6,129,245,810.25
5. Step 5: Solve for x
   x = 6,129,245,810.25/58,025
6. Step 6: Final answer
   x = 105,631.12