Finding the Third Proportional to 42,945 and 64,888.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,945 : 64,888.50 = 64,888.50 : x
2. Step 2: Convert to fraction form
   42,945/64,888.50 = 64,888.50/x
3. Step 3: Cross multiply
   42,945x = 64,888.50 × 64,888.50
4. Step 4: Simplify right side
   42,945x = 4,210,517,432.25
5. Step 5: Solve for x
   x = 4,210,517,432.25/42,945
6. Step 6: Final answer
   x = 98,044.42