Finding the Third Proportional to 191,742 and 300,802.50

Step by Step Solution

1. Step 1: Write the proportion equation
   191,742 : 300,802.50 = 300,802.50 : x
2. Step 2: Convert to fraction form
   191,742/300,802.50 = 300,802.50/x
3. Step 3: Cross multiply
   191,742x = 300,802.50 × 300,802.50
4. Step 4: Simplify right side
   191,742x = 90,482,144,006.25
5. Step 5: Solve for x
   x = 90,482,144,006.25/191,742
6. Step 6: Final answer
   x = 471,895.28