Finding the Third Proportional to 39,570 and 93,409.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,570 : 93,409.50 = 93,409.50 : x
2. Step 2: Convert to fraction form
   39,570/93,409.50 = 93,409.50/x
3. Step 3: Cross multiply
   39,570x = 93,409.50 × 93,409.50
4. Step 4: Simplify right side
   39,570x = 8,725,334,690.25
5. Step 5: Solve for x
   x = 8,725,334,690.25/39,570
6. Step 6: Final answer
   x = 220,503.78