Finding the Third Proportional to 899,064 and 1,912,549.50

Step by Step Solution

1. Step 1: Write the proportion equation
   899,064 : 1,912,549.50 = 1,912,549.50 : x
2. Step 2: Convert to fraction form
   899,064/1,912,549.50 = 1,912,549.50/x
3. Step 3: Cross multiply
   899,064x = 1,912,549.50 × 1,912,549.50
4. Step 4: Simplify right side
   899,064x = 3,657,845,589,950.25
5. Step 5: Solve for x
   x = 3,657,845,589,950.25/899,064
6. Step 6: Final answer
   x = 4,068,504.12