Finding the Third Proportional to 348,415.50 and 763,263

Step by Step Solution

1. Step 1: Write the proportion equation
   348,415.50 : 763,263 = 763,263 : x
2. Step 2: Convert to fraction form
   348,415.50/763,263 = 763,263/x
3. Step 3: Cross multiply
   348,415.50x = 763,263 × 763,263
4. Step 4: Simplify right side
   348,415.50x = 582,570,407,169
5. Step 5: Solve for x
   x = 582,570,407,169/348,415.50
6. Step 6: Final answer
   x = 1,672,056.52