Finding the Third Proportional to 431,176 and 907,043.50

Step by Step Solution

1. Step 1: Write the proportion equation
   431,176 : 907,043.50 = 907,043.50 : x
2. Step 2: Convert to fraction form
   431,176/907,043.50 = 907,043.50/x
3. Step 3: Cross multiply
   431,176x = 907,043.50 × 907,043.50
4. Step 4: Simplify right side
   431,176x = 822,727,910,892.25
5. Step 5: Solve for x
   x = 822,727,910,892.25/431,176
6. Step 6: Final answer
   x = 1,908,102.29