Finding the Third Proportional to 761,566.50 and 1,620,936

Step by Step Solution

1. Step 1: Write the proportion equation
   761,566.50 : 1,620,936 = 1,620,936 : x
2. Step 2: Convert to fraction form
   761,566.50/1,620,936 = 1,620,936/x
3. Step 3: Cross multiply
   761,566.50x = 1,620,936 × 1,620,936
4. Step 4: Simplify right side
   761,566.50x = 2,627,433,516,096
5. Step 5: Solve for x
   x = 2,627,433,516,096/761,566.50
6. Step 6: Final answer
   x = 3,450,038.20