Finding the Third Proportional to 135,903 and 307,038.75

Step by Step Solution

1. Step 1: Write the proportion equation
   135,903 : 307,038.75 = 307,038.75 : x
2. Step 2: Convert to fraction form
   135,903/307,038.75 = 307,038.75/x
3. Step 3: Cross multiply
   135,903x = 307,038.75 × 307,038.75
4. Step 4: Simplify right side
   135,903x = 94,272,794,001.56
5. Step 5: Solve for x
   x = 94,272,794,001.56/135,903
6. Step 6: Final answer
   x = 693,677.06