Finding the Third Proportional to 432,215.25 and 634,300.31

Step by Step Solution

1. Step 1: Write the proportion equation
   432,215.25 : 634,300.31 = 634,300.31 : x
2. Step 2: Convert to fraction form
   432,215.25/634,300.31 = 634,300.31/x
3. Step 3: Cross multiply
   432,215.25x = 634,300.31 × 634,300.31
4. Step 4: Simplify right side
   432,215.25x = 402,336,886,437.60
5. Step 5: Solve for x
   x = 402,336,886,437.60/432,215.25
6. Step 6: Final answer
   x = 930,871.57