Finding the Third Proportional to 31,791 and 67,801.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,791 : 67,801.50 = 67,801.50 : x
2. Step 2: Convert to fraction form
   31,791/67,801.50 = 67,801.50/x
3. Step 3: Cross multiply
   31,791x = 67,801.50 × 67,801.50
4. Step 4: Simplify right side
   31,791x = 4,597,043,402.25
5. Step 5: Solve for x
   x = 4,597,043,402.25/31,791
6. Step 6: Final answer
   x = 144,602.04