Finding the Third Proportional to 210,117 and 485,926.50

Step by Step Solution

1. Step 1: Write the proportion equation
   210,117 : 485,926.50 = 485,926.50 : x
2. Step 2: Convert to fraction form
   210,117/485,926.50 = 485,926.50/x
3. Step 3: Cross multiply
   210,117x = 485,926.50 × 485,926.50
4. Step 4: Simplify right side
   210,117x = 236,124,563,402.25
5. Step 5: Solve for x
   x = 236,124,563,402.25/210,117
6. Step 6: Final answer
   x = 1,123,776.58