Finding the Third Proportional to 431,175.38 and 907,042.50

Step by Step Solution

1. Step 1: Write the proportion equation
   431,175.38 : 907,042.50 = 907,042.50 : x
2. Step 2: Convert to fraction form
   431,175.38/907,042.50 = 907,042.50/x
3. Step 3: Cross multiply
   431,175.38x = 907,042.50 × 907,042.50
4. Step 4: Simplify right side
   431,175.38x = 822,726,096,806.25
5. Step 5: Solve for x
   x = 822,726,096,806.25/431,175.38
6. Step 6: Final answer
   x = 1,908,100.84