Finding the Third Proportional to 56,146 and 84,219.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,146 : 84,219.50 = 84,219.50 : x
2. Step 2: Convert to fraction form
   56,146/84,219.50 = 84,219.50/x
3. Step 3: Cross multiply
   56,146x = 84,219.50 × 84,219.50
4. Step 4: Simplify right side
   56,146x = 7,092,924,180.25
5. Step 5: Solve for x
   x = 7,092,924,180.25/56,146
6. Step 6: Final answer
   x = 126,330.00