Finding the Third Proportional to 516,564 and 692,833.50

Step by Step Solution

1. Step 1: Write the proportion equation
   516,564 : 692,833.50 = 692,833.50 : x
2. Step 2: Convert to fraction form
   516,564/692,833.50 = 692,833.50/x
3. Step 3: Cross multiply
   516,564x = 692,833.50 × 692,833.50
4. Step 4: Simplify right side
   516,564x = 480,018,258,722.25
5. Step 5: Solve for x
   x = 480,018,258,722.25/516,564
6. Step 6: Final answer
   x = 929,252.25