Finding the Third Proportional to 136,334.50 and 291,623

Step by Step Solution

1. Step 1: Write the proportion equation
   136,334.50 : 291,623 = 291,623 : x
2. Step 2: Convert to fraction form
   136,334.50/291,623 = 291,623/x
3. Step 3: Cross multiply
   136,334.50x = 291,623 × 291,623
4. Step 4: Simplify right side
   136,334.50x = 85,043,974,129
5. Step 5: Solve for x
   x = 85,043,974,129/136,334.50
6. Step 6: Final answer
   x = 623,789.09