Finding the Third Proportional to 153,562.50 and 314,712

Step by Step Solution

1. Step 1: Write the proportion equation
   153,562.50 : 314,712 = 314,712 : x
2. Step 2: Convert to fraction form
   153,562.50/314,712 = 314,712/x
3. Step 3: Cross multiply
   153,562.50x = 314,712 × 314,712
4. Step 4: Simplify right side
   153,562.50x = 99,043,642,944
5. Step 5: Solve for x
   x = 99,043,642,944/153,562.50
6. Step 6: Final answer
   x = 644,972.85