Finding the Third Proportional to 69,141 and 148,792.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,141 : 148,792.50 = 148,792.50 : x
2. Step 2: Convert to fraction form
   69,141/148,792.50 = 148,792.50/x
3. Step 3: Cross multiply
   69,141x = 148,792.50 × 148,792.50
4. Step 4: Simplify right side
   69,141x = 22,139,208,056.25
5. Step 5: Solve for x
   x = 22,139,208,056.25/69,141
6. Step 6: Final answer
   x = 320,203.76