Finding the Third Proportional to 64,086.19 and 148,356.56

Step by Step Solution

1. Step 1: Write the proportion equation
   64,086.19 : 148,356.56 = 148,356.56 : x
2. Step 2: Convert to fraction form
   64,086.19/148,356.56 = 148,356.56/x
3. Step 3: Cross multiply
   64,086.19x = 148,356.56 × 148,356.56
4. Step 4: Simplify right side
   64,086.19x = 22,009,669,636.82
5. Step 5: Solve for x
   x = 22,009,669,636.82/64,086.19
6. Step 6: Final answer
   x = 343,438.59