Finding the Third Proportional to 42,120 and 93,580.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,120 : 93,580.50 = 93,580.50 : x
2. Step 2: Convert to fraction form
   42,120/93,580.50 = 93,580.50/x
3. Step 3: Cross multiply
   42,120x = 93,580.50 × 93,580.50
4. Step 4: Simplify right side
   42,120x = 8,757,309,980.25
5. Step 5: Solve for x
   x = 8,757,309,980.25/42,120
6. Step 6: Final answer
   x = 207,913.34