Finding the Third Proportional to 35,343 and 86,575.50

Step by Step Solution

1. Step 1: Write the proportion equation
   35,343 : 86,575.50 = 86,575.50 : x
2. Step 2: Convert to fraction form
   35,343/86,575.50 = 86,575.50/x
3. Step 3: Cross multiply
   35,343x = 86,575.50 × 86,575.50
4. Step 4: Simplify right side
   35,343x = 7,495,317,200.25
5. Step 5: Solve for x
   x = 7,495,317,200.25/35,343
6. Step 6: Final answer
   x = 212,073.60