Finding the Third Proportional to 985,229 and 2,117,799.50

Step by Step Solution

1. Step 1: Write the proportion equation
   985,229 : 2,117,799.50 = 2,117,799.50 : x
2. Step 2: Convert to fraction form
   985,229/2,117,799.50 = 2,117,799.50/x
3. Step 3: Cross multiply
   985,229x = 2,117,799.50 × 2,117,799.50
4. Step 4: Simplify right side
   985,229x = 4,485,074,722,200.25
5. Step 5: Solve for x
   x = 4,485,074,722,200.25/985,229
6. Step 6: Final answer
   x = 4,552,317.00