Finding the Third Proportional to 429,470 and 914,380

Step by Step Solution

1. Step 1: Write the proportion equation
   429,470 : 914,380 = 914,380 : x
2. Step 2: Convert to fraction form
   429,470/914,380 = 914,380/x
3. Step 3: Cross multiply
   429,470x = 914,380 × 914,380
4. Step 4: Simplify right side
   429,470x = 836,090,784,400
5. Step 5: Solve for x
   x = 836,090,784,400/429,470
6. Step 6: Final answer
   x = 1,946,796.71