Finding the Third Proportional to 72,474,276 and 109,766,368.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,474,276 : 109,766,368.50 = 109,766,368.50 : x
2. Step 2: Convert to fraction form
   72,474,276/109,766,368.50 = 109,766,368.50/x
3. Step 3: Cross multiply
   72,474,276x = 109,766,368.50 × 109,766,368.50
4. Step 4: Simplify right side
   72,474,276x = 12,048,655,653,677,792
5. Step 5: Solve for x
   x = 12,048,655,653,677,792/72,474,276
6. Step 6: Final answer
   x = 166,247,340.69