Finding the Third Proportional to 42,310 and 90,053.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,310 : 90,053.50 = 90,053.50 : x
2. Step 2: Convert to fraction form
   42,310/90,053.50 = 90,053.50/x
3. Step 3: Cross multiply
   42,310x = 90,053.50 × 90,053.50
4. Step 4: Simplify right side
   42,310x = 8,109,632,862.25
5. Step 5: Solve for x
   x = 8,109,632,862.25/42,310
6. Step 6: Final answer
   x = 191,671.78