Finding the Third Proportional to 74,211.19 and 151,039.69

Step by Step Solution

1. Step 1: Write the proportion equation
   74,211.19 : 151,039.69 = 151,039.69 : x
2. Step 2: Convert to fraction form
   74,211.19/151,039.69 = 151,039.69/x
3. Step 3: Cross multiply
   74,211.19x = 151,039.69 × 151,039.69
4. Step 4: Simplify right side
   74,211.19x = 22,812,987,200.10
5. Step 5: Solve for x
   x = 22,812,987,200.10/74,211.19
6. Step 6: Final answer
   x = 307,406.31