Finding the Third Proportional to 761,123.25 and 1,672,906.50

Step by Step Solution

1. Step 1: Write the proportion equation
   761,123.25 : 1,672,906.50 = 1,672,906.50 : x
2. Step 2: Convert to fraction form
   761,123.25/1,672,906.50 = 1,672,906.50/x
3. Step 3: Cross multiply
   761,123.25x = 1,672,906.50 × 1,672,906.50
4. Step 4: Simplify right side
   761,123.25x = 2,798,616,157,742.25
5. Step 5: Solve for x
   x = 2,798,616,157,742.25/761,123.25
6. Step 6: Final answer
   x = 3,676,955.29