Finding the Third Proportional to 123,166,850 and 172,194,506

Step by Step Solution

1. Step 1: Write the proportion equation
   123,166,850 : 172,194,506 = 172,194,506 : x
2. Step 2: Convert to fraction form
   123,166,850/172,194,506 = 172,194,506/x
3. Step 3: Cross multiply
   123,166,850x = 172,194,506 × 172,194,506
4. Step 4: Simplify right side
   123,166,850x = 29,650,947,896,584,036
5. Step 5: Solve for x
   x = 29,650,947,896,584,036/123,166,850
6. Step 6: Final answer
   x = 240,738,054.90