Finding the Third Proportional to 1,157,609.50 and 1,296,005.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,157,609.50 : 1,296,005.50 = 1,296,005.50 : x
2. Step 2: Convert to fraction form
   1,157,609.50/1,296,005.50 = 1,296,005.50/x
3. Step 3: Cross multiply
   1,157,609.50x = 1,296,005.50 × 1,296,005.50
4. Step 4: Simplify right side
   1,157,609.50x = 1,679,630,256,030.25
5. Step 5: Solve for x
   x = 1,679,630,256,030.25/1,157,609.50
6. Step 6: Final answer
   x = 1,450,947.19