Finding the Third Proportional to 432,018 and 573,268.50

Step by Step Solution

1. Step 1: Write the proportion equation
   432,018 : 573,268.50 = 573,268.50 : x
2. Step 2: Convert to fraction form
   432,018/573,268.50 = 573,268.50/x
3. Step 3: Cross multiply
   432,018x = 573,268.50 × 573,268.50
4. Step 4: Simplify right side
   432,018x = 328,636,773,092.25
5. Step 5: Solve for x
   x = 328,636,773,092.25/432,018
6. Step 6: Final answer
   x = 760,701.58