Finding the Third Proportional to 431,194.50 and 907,072.88

Step by Step Solution

1. Step 1: Write the proportion equation
   431,194.50 : 907,072.88 = 907,072.88 : x
2. Step 2: Convert to fraction form
   431,194.50/907,072.88 = 907,072.88/x
3. Step 3: Cross multiply
   431,194.50x = 907,072.88 × 907,072.88
4. Step 4: Simplify right side
   431,194.50x = 822,781,200,560.77
5. Step 5: Solve for x
   x = 822,781,200,560.77/431,194.50
6. Step 6: Final answer
   x = 1,908,144.01