Finding the Third Proportional to 93,312 and 140,740.50

Step by Step Solution

1. Step 1: Write the proportion equation
   93,312 : 140,740.50 = 140,740.50 : x
2. Step 2: Convert to fraction form
   93,312/140,740.50 = 140,740.50/x
3. Step 3: Cross multiply
   93,312x = 140,740.50 × 140,740.50
4. Step 4: Simplify right side
   93,312x = 19,807,888,340.25
5. Step 5: Solve for x
   x = 19,807,888,340.25/93,312
6. Step 6: Final answer
   x = 212,275.90