Finding the Third Proportional to 432,219 and 634,315.50

Step by Step Solution

1. Step 1: Write the proportion equation
   432,219 : 634,315.50 = 634,315.50 : x
2. Step 2: Convert to fraction form
   432,219/634,315.50 = 634,315.50/x
3. Step 3: Cross multiply
   432,219x = 634,315.50 × 634,315.50
4. Step 4: Simplify right side
   432,219x = 402,356,153,540.25
5. Step 5: Solve for x
   x = 402,356,153,540.25/432,219
6. Step 6: Final answer
   x = 930,908.07