Finding the Third Proportional to 680,239 and 1,061,713.50

Step by Step Solution

1. Step 1: Write the proportion equation
   680,239 : 1,061,713.50 = 1,061,713.50 : x
2. Step 2: Convert to fraction form
   680,239/1,061,713.50 = 1,061,713.50/x
3. Step 3: Cross multiply
   680,239x = 1,061,713.50 × 1,061,713.50
4. Step 4: Simplify right side
   680,239x = 1,127,235,556,082.25
5. Step 5: Solve for x
   x = 1,127,235,556,082.25/680,239
6. Step 6: Final answer
   x = 1,657,116.92