Finding the Third Proportional to 761,977.13 and 1,665,631.69

Step by Step Solution

1. Step 1: Write the proportion equation
   761,977.13 : 1,665,631.69 = 1,665,631.69 : x
2. Step 2: Convert to fraction form
   761,977.13/1,665,631.69 = 1,665,631.69/x
3. Step 3: Cross multiply
   761,977.13x = 1,665,631.69 × 1,665,631.69
4. Step 4: Simplify right side
   761,977.13x = 2,774,328,918,404.10
5. Step 5: Solve for x
   x = 2,774,328,918,404.10/761,977.13
6. Step 6: Final answer
   x = 3,640,960.90