Finding the Third Proportional to 421,337.50 and 921,501

Step by Step Solution

1. Step 1: Write the proportion equation
   421,337.50 : 921,501 = 921,501 : x
2. Step 2: Convert to fraction form
   421,337.50/921,501 = 921,501/x
3. Step 3: Cross multiply
   421,337.50x = 921,501 × 921,501
4. Step 4: Simplify right side
   421,337.50x = 849,164,093,001
5. Step 5: Solve for x
   x = 849,164,093,001/421,337.50
6. Step 6: Final answer
   x = 2,015,401.18