Finding the Third Proportional to 153,507 and 236,812.50

Step by Step Solution

1. Step 1: Write the proportion equation
   153,507 : 236,812.50 = 236,812.50 : x
2. Step 2: Convert to fraction form
   153,507/236,812.50 = 236,812.50/x
3. Step 3: Cross multiply
   153,507x = 236,812.50 × 236,812.50
4. Step 4: Simplify right side
   153,507x = 56,080,160,156.25
5. Step 5: Solve for x
   x = 56,080,160,156.25/153,507
6. Step 6: Final answer
   x = 365,326.40