Finding the Third Proportional to 434,837.50 and 976,553

Step by Step Solution

1. Step 1: Write the proportion equation
   434,837.50 : 976,553 = 976,553 : x
2. Step 2: Convert to fraction form
   434,837.50/976,553 = 976,553/x
3. Step 3: Cross multiply
   434,837.50x = 976,553 × 976,553
4. Step 4: Simplify right side
   434,837.50x = 953,655,761,809
5. Step 5: Solve for x
   x = 953,655,761,809/434,837.50
6. Step 6: Final answer
   x = 2,193,131.37