Finding the Third Proportional to 429,730 and 910,684.50

Step by Step Solution

1. Step 1: Write the proportion equation
   429,730 : 910,684.50 = 910,684.50 : x
2. Step 2: Convert to fraction form
   429,730/910,684.50 = 910,684.50/x
3. Step 3: Cross multiply
   429,730x = 910,684.50 × 910,684.50
4. Step 4: Simplify right side
   429,730x = 829,346,258,540.25
5. Step 5: Solve for x
   x = 829,346,258,540.25/429,730
6. Step 6: Final answer
   x = 1,929,924.04