Finding the Third Proportional to 34,172,478 and 74,835,970.50

Step by Step Solution

1. Step 1: Write the proportion equation
   34,172,478 : 74,835,970.50 = 74,835,970.50 : x
2. Step 2: Convert to fraction form
   34,172,478/74,835,970.50 = 74,835,970.50/x
3. Step 3: Cross multiply
   34,172,478x = 74,835,970.50 × 74,835,970.50
4. Step 4: Simplify right side
   34,172,478x = 5,600,422,480,676,870
5. Step 5: Solve for x
   x = 5,600,422,480,676,870/34,172,478
6. Step 6: Final answer
   x = 163,886,929.14