Finding the Third Proportional to 148,513.50 and 196,931.25

Step by Step Solution

1. Step 1: Write the proportion equation
   148,513.50 : 196,931.25 = 196,931.25 : x
2. Step 2: Convert to fraction form
   148,513.50/196,931.25 = 196,931.25/x
3. Step 3: Cross multiply
   148,513.50x = 196,931.25 × 196,931.25
4. Step 4: Simplify right side
   148,513.50x = 38,781,917,226.56
5. Step 5: Solve for x
   x = 38,781,917,226.56/148,513.50
6. Step 6: Final answer
   x = 261,133.95