Finding the Third Proportional to 194,776.50 and 291,390

Step by Step Solution

1. Step 1: Write the proportion equation
   194,776.50 : 291,390 = 291,390 : x
2. Step 2: Convert to fraction form
   194,776.50/291,390 = 291,390/x
3. Step 3: Cross multiply
   194,776.50x = 291,390 × 291,390
4. Step 4: Simplify right side
   194,776.50x = 84,908,132,100
5. Step 5: Solve for x
   x = 84,908,132,100/194,776.50
6. Step 6: Final answer
   x = 435,925.96