Finding the Third Proportional to 430,128 and 935,707.50

Step by Step Solution

1. Step 1: Write the proportion equation
   430,128 : 935,707.50 = 935,707.50 : x
2. Step 2: Convert to fraction form
   430,128/935,707.50 = 935,707.50/x
3. Step 3: Cross multiply
   430,128x = 935,707.50 × 935,707.50
4. Step 4: Simplify right side
   430,128x = 875,548,525,556.25
5. Step 5: Solve for x
   x = 875,548,525,556.25/430,128
6. Step 6: Final answer
   x = 2,035,553.43