Finding the Third Proportional to 157,748.50 and 342,113

Step by Step Solution

1. Step 1: Write the proportion equation
   157,748.50 : 342,113 = 342,113 : x
2. Step 2: Convert to fraction form
   157,748.50/342,113 = 342,113/x
3. Step 3: Cross multiply
   157,748.50x = 342,113 × 342,113
4. Step 4: Simplify right side
   157,748.50x = 117,041,304,769
5. Step 5: Solve for x
   x = 117,041,304,769/157,748.50
6. Step 6: Final answer
   x = 741,948.77