Finding the Third Proportional to 920,803.50 and 2,150,131.50

Step by Step Solution

1. Step 1: Write the proportion equation
   920,803.50 : 2,150,131.50 = 2,150,131.50 : x
2. Step 2: Convert to fraction form
   920,803.50/2,150,131.50 = 2,150,131.50/x
3. Step 3: Cross multiply
   920,803.50x = 2,150,131.50 × 2,150,131.50
4. Step 4: Simplify right side
   920,803.50x = 4,623,065,467,292.25
5. Step 5: Solve for x
   x = 4,623,065,467,292.25/920,803.50
6. Step 6: Final answer
   x = 5,020,686.25