Finding the Third Proportional to 482,719.50 and 921,618

Step by Step Solution

1. Step 1: Write the proportion equation
   482,719.50 : 921,618 = 921,618 : x
2. Step 2: Convert to fraction form
   482,719.50/921,618 = 921,618/x
3. Step 3: Cross multiply
   482,719.50x = 921,618 × 921,618
4. Step 4: Simplify right side
   482,719.50x = 849,379,737,924
5. Step 5: Solve for x
   x = 849,379,737,924/482,719.50
6. Step 6: Final answer
   x = 1,759,572.05