Finding the Third Proportional to 759,921 and 1,185,889.50

Step by Step Solution

1. Step 1: Write the proportion equation
   759,921 : 1,185,889.50 = 1,185,889.50 : x
2. Step 2: Convert to fraction form
   759,921/1,185,889.50 = 1,185,889.50/x
3. Step 3: Cross multiply
   759,921x = 1,185,889.50 × 1,185,889.50
4. Step 4: Simplify right side
   759,921x = 1,406,333,906,210.25
5. Step 5: Solve for x
   x = 1,406,333,906,210.25/759,921
6. Step 6: Final answer
   x = 1,850,631.72