Finding the Third Proportional to 431,177 and 907,045.50

Step by Step Solution

1. Step 1: Write the proportion equation
   431,177 : 907,045.50 = 907,045.50 : x
2. Step 2: Convert to fraction form
   431,177/907,045.50 = 907,045.50/x
3. Step 3: Cross multiply
   431,177x = 907,045.50 × 907,045.50
4. Step 4: Simplify right side
   431,177x = 822,731,539,070.25
5. Step 5: Solve for x
   x = 822,731,539,070.25/431,177
6. Step 6: Final answer
   x = 1,908,106.27