Finding the Third Proportional to 153,450 and 334,777.50

Step by Step Solution

1. Step 1: Write the proportion equation
   153,450 : 334,777.50 = 334,777.50 : x
2. Step 2: Convert to fraction form
   153,450/334,777.50 = 334,777.50/x
3. Step 3: Cross multiply
   153,450x = 334,777.50 × 334,777.50
4. Step 4: Simplify right side
   153,450x = 112,075,974,506.25
5. Step 5: Solve for x
   x = 112,075,974,506.25/153,450
6. Step 6: Final answer
   x = 730,374.55