Finding the Third Proportional to 1,620,427.50 and 3,532,441.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,620,427.50 : 3,532,441.50 = 3,532,441.50 : x
2. Step 2: Convert to fraction form
   1,620,427.50/3,532,441.50 = 3,532,441.50/x
3. Step 3: Cross multiply
   1,620,427.50x = 3,532,441.50 × 3,532,441.50
4. Step 4: Simplify right side
   1,620,427.50x = 12,478,142,950,922.25
5. Step 5: Solve for x
   x = 12,478,142,950,922.25/1,620,427.50
6. Step 6: Final answer
   x = 7,700,525.29