Finding the Third Proportional to 429,494 and 915,864

Step by Step Solution

1. Step 1: Write the proportion equation
   429,494 : 915,864 = 915,864 : x
2. Step 2: Convert to fraction form
   429,494/915,864 = 915,864/x
3. Step 3: Cross multiply
   429,494x = 915,864 × 915,864
4. Step 4: Simplify right side
   429,494x = 838,806,866,496
5. Step 5: Solve for x
   x = 838,806,866,496/429,494
6. Step 6: Final answer
   x = 1,953,011.84