Finding the Third Proportional to 424,129.50 and 921,888

Step by Step Solution

1. Step 1: Write the proportion equation
   424,129.50 : 921,888 = 921,888 : x
2. Step 2: Convert to fraction form
   424,129.50/921,888 = 921,888/x
3. Step 3: Cross multiply
   424,129.50x = 921,888 × 921,888
4. Step 4: Simplify right side
   424,129.50x = 849,877,484,544
5. Step 5: Solve for x
   x = 849,877,484,544/424,129.50
6. Step 6: Final answer
   x = 2,003,816.02