Finding the Third Proportional to 99,213 and 234,158.25

Step by Step Solution

1. Step 1: Write the proportion equation
   99,213 : 234,158.25 = 234,158.25 : x
2. Step 2: Convert to fraction form
   99,213/234,158.25 = 234,158.25/x
3. Step 3: Cross multiply
   99,213x = 234,158.25 × 234,158.25
4. Step 4: Simplify right side
   99,213x = 54,830,086,043.06
5. Step 5: Solve for x
   x = 54,830,086,043.06/99,213
6. Step 6: Final answer
   x = 552,650.22