Finding the Third Proportional to 69,503.63 and 152,539.31

Step by Step Solution

1. Step 1: Write the proportion equation
   69,503.63 : 152,539.31 = 152,539.31 : x
2. Step 2: Convert to fraction form
   69,503.63/152,539.31 = 152,539.31/x
3. Step 3: Cross multiply
   69,503.63x = 152,539.31 × 152,539.31
4. Step 4: Simplify right side
   69,503.63x = 23,268,241,857.97
5. Step 5: Solve for x
   x = 23,268,241,857.97/69,503.63
6. Step 6: Final answer
   x = 334,777.39