Finding the Third Proportional to 616,032 and 921,541.50

Step by Step Solution

1. Step 1: Write the proportion equation
   616,032 : 921,541.50 = 921,541.50 : x
2. Step 2: Convert to fraction form
   616,032/921,541.50 = 921,541.50/x
3. Step 3: Cross multiply
   616,032x = 921,541.50 × 921,541.50
4. Step 4: Simplify right side
   616,032x = 849,238,736,222.25
5. Step 5: Solve for x
   x = 849,238,736,222.25/616,032
6. Step 6: Final answer
   x = 1,378,562.70