Finding the Third Proportional to 42,256,128 and 89,050,828.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,256,128 : 89,050,828.50 = 89,050,828.50 : x
2. Step 2: Convert to fraction form
   42,256,128/89,050,828.50 = 89,050,828.50/x
3. Step 3: Cross multiply
   42,256,128x = 89,050,828.50 × 89,050,828.50
4. Step 4: Simplify right side
   42,256,128x = 7,930,050,056,536,412
5. Step 5: Solve for x
   x = 7,930,050,056,536,412/42,256,128
6. Step 6: Final answer
   x = 187,666,273.08