Finding the Third Proportional to 70,818 and 151,111.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,818 : 151,111.50 = 151,111.50 : x
2. Step 2: Convert to fraction form
   70,818/151,111.50 = 151,111.50/x
3. Step 3: Cross multiply
   70,818x = 151,111.50 × 151,111.50
4. Step 4: Simplify right side
   70,818x = 22,834,685,432.25
5. Step 5: Solve for x
   x = 22,834,685,432.25/70,818
6. Step 6: Final answer
   x = 322,441.83