Finding the Third Proportional to 440,499 and 938,611.50

Step by Step Solution

1. Step 1: Write the proportion equation
   440,499 : 938,611.50 = 938,611.50 : x
2. Step 2: Convert to fraction form
   440,499/938,611.50 = 938,611.50/x
3. Step 3: Cross multiply
   440,499x = 938,611.50 × 938,611.50
4. Step 4: Simplify right side
   440,499x = 880,991,547,932.25
5. Step 5: Solve for x
   x = 880,991,547,932.25/440,499
6. Step 6: Final answer
   x = 1,999,985.35