Finding the Third Proportional to 58,219.50 and 87,784.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,219.50 : 87,784.50 = 87,784.50 : x
2. Step 2: Convert to fraction form
   58,219.50/87,784.50 = 87,784.50/x
3. Step 3: Cross multiply
   58,219.50x = 87,784.50 × 87,784.50
4. Step 4: Simplify right side
   58,219.50x = 7,706,118,440.25
5. Step 5: Solve for x
   x = 7,706,118,440.25/58,219.50
6. Step 6: Final answer
   x = 132,363.18