Finding the Third Proportional to 70,356 and 149,938.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,356 : 149,938.50 = 149,938.50 : x
2. Step 2: Convert to fraction form
   70,356/149,938.50 = 149,938.50/x
3. Step 3: Cross multiply
   70,356x = 149,938.50 × 149,938.50
4. Step 4: Simplify right side
   70,356x = 22,481,553,782.25
5. Step 5: Solve for x
   x = 22,481,553,782.25/70,356
6. Step 6: Final answer
   x = 319,539.97