Finding the Third Proportional to 201,498 and 299,428.50

Step by Step Solution

1. Step 1: Write the proportion equation
   201,498 : 299,428.50 = 299,428.50 : x
2. Step 2: Convert to fraction form
   201,498/299,428.50 = 299,428.50/x
3. Step 3: Cross multiply
   201,498x = 299,428.50 × 299,428.50
4. Step 4: Simplify right side
   201,498x = 89,657,426,612.25
5. Step 5: Solve for x
   x = 89,657,426,612.25/201,498
6. Step 6: Final answer
   x = 444,954.42