Finding the Third Proportional to 86,459 and 132,312.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,459 : 132,312.50 = 132,312.50 : x
2. Step 2: Convert to fraction form
   86,459/132,312.50 = 132,312.50/x
3. Step 3: Cross multiply
   86,459x = 132,312.50 × 132,312.50
4. Step 4: Simplify right side
   86,459x = 17,506,597,656.25
5. Step 5: Solve for x
   x = 17,506,597,656.25/86,459
6. Step 6: Final answer
   x = 202,484.39