Finding the Third Proportional to 191,301 and 242,557.50

Step by Step Solution

1. Step 1: Write the proportion equation
   191,301 : 242,557.50 = 242,557.50 : x
2. Step 2: Convert to fraction form
   191,301/242,557.50 = 242,557.50/x
3. Step 3: Cross multiply
   191,301x = 242,557.50 × 242,557.50
4. Step 4: Simplify right side
   191,301x = 58,834,140,806.25
5. Step 5: Solve for x
   x = 58,834,140,806.25/191,301
6. Step 6: Final answer
   x = 307,547.48