Finding the Third Proportional to 272,335.50 and 598,428

Step by Step Solution

1. Step 1: Write the proportion equation
   272,335.50 : 598,428 = 598,428 : x
2. Step 2: Convert to fraction form
   272,335.50/598,428 = 598,428/x
3. Step 3: Cross multiply
   272,335.50x = 598,428 × 598,428
4. Step 4: Simplify right side
   272,335.50x = 358,116,071,184
5. Step 5: Solve for x
   x = 358,116,071,184/272,335.50
6. Step 6: Final answer
   x = 1,314,981.23