Finding the Third Proportional to 153,474.50 and 361,784

Step by Step Solution

1. Step 1: Write the proportion equation
   153,474.50 : 361,784 = 361,784 : x
2. Step 2: Convert to fraction form
   153,474.50/361,784 = 361,784/x
3. Step 3: Cross multiply
   153,474.50x = 361,784 × 361,784
4. Step 4: Simplify right side
   153,474.50x = 130,887,662,656
5. Step 5: Solve for x
   x = 130,887,662,656/153,474.50
6. Step 6: Final answer
   x = 852,830.03