Finding the Third Proportional to 42,301,412 and 57,074,536

Step by Step Solution

1. Step 1: Write the proportion equation
   42,301,412 : 57,074,536 = 57,074,536 : x
2. Step 2: Convert to fraction form
   42,301,412/57,074,536 = 57,074,536/x
3. Step 3: Cross multiply
   42,301,412x = 57,074,536 × 57,074,536
4. Step 4: Simplify right side
   42,301,412x = 3,257,502,659,615,296
5. Step 5: Solve for x
   x = 3,257,502,659,615,296/42,301,412
6. Step 6: Final answer
   x = 77,006,948.60