Finding the Third Proportional to 429,492 and 915,858

Step by Step Solution

1. Step 1: Write the proportion equation
   429,492 : 915,858 = 915,858 : x
2. Step 2: Convert to fraction form
   429,492/915,858 = 915,858/x
3. Step 3: Cross multiply
   429,492x = 915,858 × 915,858
4. Step 4: Simplify right side
   429,492x = 838,795,876,164
5. Step 5: Solve for x
   x = 838,795,876,164/429,492
6. Step 6: Final answer
   x = 1,952,995.34