Finding the Third Proportional to 899,062.50 and 1,912,546.50

Step by Step Solution

1. Step 1: Write the proportion equation
   899,062.50 : 1,912,546.50 = 1,912,546.50 : x
2. Step 2: Convert to fraction form
   899,062.50/1,912,546.50 = 1,912,546.50/x
3. Step 3: Cross multiply
   899,062.50x = 1,912,546.50 × 1,912,546.50
4. Step 4: Simplify right side
   899,062.50x = 3,657,834,114,662.25
5. Step 5: Solve for x
   x = 3,657,834,114,662.25/899,062.50
6. Step 6: Final answer
   x = 4,068,498.15