Finding the Third Proportional to 743,644 and 1,526,840

Step by Step Solution

1. Step 1: Write the proportion equation
   743,644 : 1,526,840 = 1,526,840 : x
2. Step 2: Convert to fraction form
   743,644/1,526,840 = 1,526,840/x
3. Step 3: Cross multiply
   743,644x = 1,526,840 × 1,526,840
4. Step 4: Simplify right side
   743,644x = 2,331,240,385,600
5. Step 5: Solve for x
   x = 2,331,240,385,600/743,644
6. Step 6: Final answer
   x = 3,134,887.64