Finding the Third Proportional to 416,700 and 910,903.50

Step by Step Solution

1. Step 1: Write the proportion equation
   416,700 : 910,903.50 = 910,903.50 : x
2. Step 2: Convert to fraction form
   416,700/910,903.50 = 910,903.50/x
3. Step 3: Cross multiply
   416,700x = 910,903.50 × 910,903.50
4. Step 4: Simplify right side
   416,700x = 829,745,186,312.25
5. Step 5: Solve for x
   x = 829,745,186,312.25/416,700
6. Step 6: Final answer
   x = 1,991,229.15