Finding the Third Proportional to 88,953 and 138,532.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,953 : 138,532.50 = 138,532.50 : x
2. Step 2: Convert to fraction form
   88,953/138,532.50 = 138,532.50/x
3. Step 3: Cross multiply
   88,953x = 138,532.50 × 138,532.50
4. Step 4: Simplify right side
   88,953x = 19,191,253,556.25
5. Step 5: Solve for x
   x = 19,191,253,556.25/88,953
6. Step 6: Final answer
   x = 215,746.00