Finding the Third Proportional to 42,246 and 91,111.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,246 : 91,111.50 = 91,111.50 : x
2. Step 2: Convert to fraction form
   42,246/91,111.50 = 91,111.50/x
3. Step 3: Cross multiply
   42,246x = 91,111.50 × 91,111.50
4. Step 4: Simplify right side
   42,246x = 8,301,305,432.25
5. Step 5: Solve for x
   x = 8,301,305,432.25/42,246
6. Step 6: Final answer
   x = 196,499.21