Finding the Third Proportional to 777,763 and 1,046,116.50

Step by Step Solution

1. Step 1: Write the proportion equation
   777,763 : 1,046,116.50 = 1,046,116.50 : x
2. Step 2: Convert to fraction form
   777,763/1,046,116.50 = 1,046,116.50/x
3. Step 3: Cross multiply
   777,763x = 1,046,116.50 × 1,046,116.50
4. Step 4: Simplify right side
   777,763x = 1,094,359,731,572.25
5. Step 5: Solve for x
   x = 1,094,359,731,572.25/777,763
6. Step 6: Final answer
   x = 1,407,060.67