Finding the Third Proportional to 431,118 and 906,898.50

Step by Step Solution

1. Step 1: Write the proportion equation
   431,118 : 906,898.50 = 906,898.50 : x
2. Step 2: Convert to fraction form
   431,118/906,898.50 = 906,898.50/x
3. Step 3: Cross multiply
   431,118x = 906,898.50 × 906,898.50
4. Step 4: Simplify right side
   431,118x = 822,464,889,302.25
5. Step 5: Solve for x
   x = 822,464,889,302.25/431,118
6. Step 6: Final answer
   x = 1,907,748.90