Finding the Third Proportional to 781,779.50 and 1,165,835.50

Step by Step Solution

1. Step 1: Write the proportion equation
   781,779.50 : 1,165,835.50 = 1,165,835.50 : x
2. Step 2: Convert to fraction form
   781,779.50/1,165,835.50 = 1,165,835.50/x
3. Step 3: Cross multiply
   781,779.50x = 1,165,835.50 × 1,165,835.50
4. Step 4: Simplify right side
   781,779.50x = 1,359,172,413,060.25
5. Step 5: Solve for x
   x = 1,359,172,413,060.25/781,779.50
6. Step 6: Final answer
   x = 1,738,562.36