Finding the Third Proportional to 985,311 and 2,154,654

Step by Step Solution

1. Step 1: Write the proportion equation
   985,311 : 2,154,654 = 2,154,654 : x
2. Step 2: Convert to fraction form
   985,311/2,154,654 = 2,154,654/x
3. Step 3: Cross multiply
   985,311x = 2,154,654 × 2,154,654
4. Step 4: Simplify right side
   985,311x = 4,642,533,859,716
5. Step 5: Solve for x
   x = 4,642,533,859,716/985,311
6. Step 6: Final answer
   x = 4,711,744.68