Finding the Third Proportional to 39,748,140 and 59,821,164

Step by Step Solution

1. Step 1: Write the proportion equation
   39,748,140 : 59,821,164 = 59,821,164 : x
2. Step 2: Convert to fraction form
   39,748,140/59,821,164 = 59,821,164/x
3. Step 3: Cross multiply
   39,748,140x = 59,821,164 × 59,821,164
4. Step 4: Simplify right side
   39,748,140x = 3,578,571,662,314,896
5. Step 5: Solve for x
   x = 3,578,571,662,314,896/39,748,140
6. Step 6: Final answer
   x = 90,031,172.84