Finding the Third Proportional to 31,457,582 and 42,501,207

Step by Step Solution

1. Step 1: Write the proportion equation
   31,457,582 : 42,501,207 = 42,501,207 : x
2. Step 2: Convert to fraction form
   31,457,582/42,501,207 = 42,501,207/x
3. Step 3: Cross multiply
   31,457,582x = 42,501,207 × 42,501,207
4. Step 4: Simplify right side
   31,457,582x = 1,806,352,596,456,849
5. Step 5: Solve for x
   x = 1,806,352,596,456,849/31,457,582
6. Step 6: Final answer
   x = 57,421,851.32