Finding the Third Proportional to 69,518.25 and 152,573.63

Step by Step Solution

1. Step 1: Write the proportion equation
   69,518.25 : 152,573.63 = 152,573.63 : x
2. Step 2: Convert to fraction form
   69,518.25/152,573.63 = 152,573.63/x
3. Step 3: Cross multiply
   69,518.25x = 152,573.63 × 152,573.63
4. Step 4: Simplify right side
   69,518.25x = 23,278,711,045.64
5. Step 5: Solve for x
   x = 23,278,711,045.64/69,518.25
6. Step 6: Final answer
   x = 334,857.55