Finding the Third Proportional to 74,276 and 115,061.50

Step by Step Solution

1. Step 1: Write the proportion equation
   74,276 : 115,061.50 = 115,061.50 : x
2. Step 2: Convert to fraction form
   74,276/115,061.50 = 115,061.50/x
3. Step 3: Cross multiply
   74,276x = 115,061.50 × 115,061.50
4. Step 4: Simplify right side
   74,276x = 13,239,148,782.25
5. Step 5: Solve for x
   x = 13,239,148,782.25/74,276
6. Step 6: Final answer
   x = 178,242.62