Finding the Third Proportional to 636,940 and 1,501,468

Step by Step Solution

1. Step 1: Write the proportion equation
   636,940 : 1,501,468 = 1,501,468 : x
2. Step 2: Convert to fraction form
   636,940/1,501,468 = 1,501,468/x
3. Step 3: Cross multiply
   636,940x = 1,501,468 × 1,501,468
4. Step 4: Simplify right side
   636,940x = 2,254,406,155,024
5. Step 5: Solve for x
   x = 2,254,406,155,024/636,940
6. Step 6: Final answer
   x = 3,539,432.53