Finding the Third Proportional to 432,270 and 694,534.50

Step by Step Solution

1. Step 1: Write the proportion equation
   432,270 : 694,534.50 = 694,534.50 : x
2. Step 2: Convert to fraction form
   432,270/694,534.50 = 694,534.50/x
3. Step 3: Cross multiply
   432,270x = 694,534.50 × 694,534.50
4. Step 4: Simplify right side
   432,270x = 482,378,171,690.25
5. Step 5: Solve for x
   x = 482,378,171,690.25/432,270
6. Step 6: Final answer
   x = 1,115,918.69