Finding the Third Proportional to 156,323 and 242,206.50

Step by Step Solution

1. Step 1: Write the proportion equation
   156,323 : 242,206.50 = 242,206.50 : x
2. Step 2: Convert to fraction form
   156,323/242,206.50 = 242,206.50/x
3. Step 3: Cross multiply
   156,323x = 242,206.50 × 242,206.50
4. Step 4: Simplify right side
   156,323x = 58,663,988,642.25
5. Step 5: Solve for x
   x = 58,663,988,642.25/156,323
6. Step 6: Final answer
   x = 375,274.20