Finding the Third Proportional to 42,968,929.50 and 68,151,388.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,968,929.50 : 68,151,388.50 = 68,151,388.50 : x
2. Step 2: Convert to fraction form
   42,968,929.50/68,151,388.50 = 68,151,388.50/x
3. Step 3: Cross multiply
   42,968,929.50x = 68,151,388.50 × 68,151,388.50
4. Step 4: Simplify right side
   42,968,929.50x = 4,644,611,754,477,932
5. Step 5: Solve for x
   x = 4,644,611,754,477,932/42,968,929.50
6. Step 6: Final answer
   x = 108,092,331.10