Finding the Third Proportional to 590,464 and 885,541.50

Step by Step Solution

1. Step 1: Write the proportion equation
   590,464 : 885,541.50 = 885,541.50 : x
2. Step 2: Convert to fraction form
   590,464/885,541.50 = 885,541.50/x
3. Step 3: Cross multiply
   590,464x = 885,541.50 × 885,541.50
4. Step 4: Simplify right side
   590,464x = 784,183,748,222.25
5. Step 5: Solve for x
   x = 784,183,748,222.25/590,464
6. Step 6: Final answer
   x = 1,328,080.54