Finding the Third Proportional to 61,358.50 and 147,777

Step by Step Solution

1. Step 1: Write the proportion equation
   61,358.50 : 147,777 = 147,777 : x
2. Step 2: Convert to fraction form
   61,358.50/147,777 = 147,777/x
3. Step 3: Cross multiply
   61,358.50x = 147,777 × 147,777
4. Step 4: Simplify right side
   61,358.50x = 21,838,041,729
5. Step 5: Solve for x
   x = 21,838,041,729/61,358.50
6. Step 6: Final answer
   x = 355,908.99