Finding the Third Proportional to 586,737 and 885,721.50

Step by Step Solution

1. Step 1: Write the proportion equation
   586,737 : 885,721.50 = 885,721.50 : x
2. Step 2: Convert to fraction form
   586,737/885,721.50 = 885,721.50/x
3. Step 3: Cross multiply
   586,737x = 885,721.50 × 885,721.50
4. Step 4: Simplify right side
   586,737x = 784,502,575,562.25
5. Step 5: Solve for x
   x = 784,502,575,562.25/586,737
6. Step 6: Final answer
   x = 1,337,060.00