Finding the Third Proportional to 71,870.63 and 148,351.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,870.63 : 148,351.50 = 148,351.50 : x
2. Step 2: Convert to fraction form
   71,870.63/148,351.50 = 148,351.50/x
3. Step 3: Cross multiply
   71,870.63x = 148,351.50 × 148,351.50
4. Step 4: Simplify right side
   71,870.63x = 22,008,167,552.25
5. Step 5: Solve for x
   x = 22,008,167,552.25/71,870.63
6. Step 6: Final answer
   x = 306,219.23