Finding the Third Proportional to 742,522.50 and 1,158,131.25

Step by Step Solution

1. Step 1: Write the proportion equation
   742,522.50 : 1,158,131.25 = 1,158,131.25 : x
2. Step 2: Convert to fraction form
   742,522.50/1,158,131.25 = 1,158,131.25/x
3. Step 3: Cross multiply
   742,522.50x = 1,158,131.25 × 1,158,131.25
4. Step 4: Simplify right side
   742,522.50x = 1,341,267,992,226.56
5. Step 5: Solve for x
   x = 1,341,267,992,226.56/742,522.50
6. Step 6: Final answer
   x = 1,806,366.80