Finding the Third Proportional to 151,308 and 212,055.47

Step by Step Solution

1. Step 1: Write the proportion equation
   151,308 : 212,055.47 = 212,055.47 : x
2. Step 2: Convert to fraction form
   151,308/212,055.47 = 212,055.47/x
3. Step 3: Cross multiply
   151,308x = 212,055.47 × 212,055.47
4. Step 4: Simplify right side
   151,308x = 44,967,521,826.78
5. Step 5: Solve for x
   x = 44,967,521,826.78/151,308
6. Step 6: Final answer
   x = 297,191.96