Finding the Third Proportional to 148,061.25 and 216,564.75

Step by Step Solution

1. Step 1: Write the proportion equation
   148,061.25 : 216,564.75 = 216,564.75 : x
2. Step 2: Convert to fraction form
   148,061.25/216,564.75 = 216,564.75/x
3. Step 3: Cross multiply
   148,061.25x = 216,564.75 × 216,564.75
4. Step 4: Simplify right side
   148,061.25x = 46,900,290,942.56
5. Step 5: Solve for x
   x = 46,900,290,942.56/148,061.25
6. Step 6: Final answer
   x = 316,762.77